35 products

Robert Axle Project 12mm Lightning Bolt Thru Axle
FK2804
Regular price $42.00 Save $-42.00Lightning Bolt Front Thru Axle
- Available front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile and lighter weight option to replace your stock thru-axles
- No more bulky handles to strike trail obstacles. Aerodynamic design
- Internally bored to remove unnecessary material without compromising strength
- Requires a standard 6 mm hex wrench for easy installation and removal
- Compatible with Specialized forks on their road and cross bikes
- Length 117mm with tapered spacer or 125mm with flat face.
- Front - Length: 123mm Thread: 1.0mm (12x100 Specialized)
- Color: Black
- Thread Pitch: 1
- Overall Length (mm): 123
- Axle Diameter (mm): 12
- Thread Length (mm): 17
- Weight: 33
- Over Locknut (mm): 100
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project 12mm Lightning Bolt Thru Axle - Front - Length: 120mm Thread: 1.5mm
FK2817
Regular price $42.00 Save $-42.00The Lightning Bolt-On Axles offer a low profile and lighter weight alternative to conventional thru axles with levers.
- Available front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile and lighter weight option to replace your stock thru-axles
- No more bulky handles to strike trail obstacles. Aerodynamic design
- Internally bored to remove unnecessary material without compromising strength
- Requires a standard 6 mm hex wrench for easy installation and removal
- Thread Pitch: 1.5
- Color: Black
- Overall Length (mm): 120
- Axle Diameter (mm): 12
- Thread Length (mm): 17
- Weight: 28
- Over Locknut (mm): 100
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project 12mm Lightning Bolt Thru Axle - Front - Length: 122mm Thread: 1.75mm
FK2818
Regular price $42.00 Save $-42.00The Lightning Bolt-On Axles offer a low profile and lighter weight alternative to conventional thru axles with levers.
- Available front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile and lighter weight option to replace your stock thru-axles
- No more bulky handles to strike trail obstacles. Aerodynamic design
- Internally bored to remove unnecessary material without compromising strength
- Requires a standard 6 mm hex wrench for easy installation and removal
- Thread Pitch: 1.75
- Color: Black
- Overall Length (mm): 122
- Axle Diameter (mm): 12
- Thread Length (mm): 15
- Weight: 31
- Over Locknut (mm): 100
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project 12mm Lightning Bolt Thru Axle - Front - Length: 125mm Thread: 1.5mm
FK2805
Regular price $42.00 Save $-42.00Lightning Bolt Front Thru Axle
- Available front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile and lighter weight option to replace your stock thru-axles
- No more bulky handles to strike trail obstacles. Aerodynamic design
- Internally bored to remove unnecessary material without compromising strength
- Requires a standard 6 mm hex wrench for easy installation and removal
- Color: Black
- Thread Pitch: 1.5
- Overall Length (mm): 125
- Axle Diameter (mm): 12
- Thread Length (mm): 17
- Weight: 29
- Over Locknut (mm): 100
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear - Length: 168mm Thread: 1.5mm
FK0536
Regular price $48.00 Save $-48.00Lightning Bolt Rear Thru Axle
- Available front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile and lighter weight option to replace your stock thru-axles
- No more bulky handles to strike trail obstacles. Aerodynamic design
- Internally bored to remove unnecessary material without compromising strength
- Require a standard 6 mm hex wrench for easy installation and removal
- Manufactured in the USA to the tightest tolerances using aerospace materials and CNC manufacturing
- Thread Pitch: 1.5
- Color: Black
- Overall Length (mm): 168
- Axle Diameter (mm): 12
- Thread Length (mm): 20
- Over Locknut (mm): 142/148
- Weight: 38
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear - Thread: 1.0mm
FK2808
Regular price $48.00 Save $-48.00The Lightning Bolt-On Axles offer a low profile and lighter weight alternative to conventional thru axles with levers.
- Available front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile and lighter weight option to replace your stock thru-axles
- No more bulky handles to strike trail obstacles. Aerodynamic design
- Internally bored to remove unnecessary material without compromising strength
- Require a standard 6 mm hex wrench for easy installation and removal
- Manufactured in the USA to the tightest tolerances using aerospace materials and CNC manufacturing
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear - Length: 167 or 173mm Thread: 1.0mm
- Color: Black
- Thread Pitch: 1
- Overall Length (mm): 167
- Axle Diameter (mm): 12
- Thread Length (mm): 17
- Weight: 43
- Over Locknut (mm): 142/148
- Length 167mm with tapered spacer or 173mm with flat face
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear - Length: 161 or 167mm Thread: 1.0mm
- Color: Black
- Thread Pitch: 1
- Overall Length (mm): 161/167
- Axle Diameter (mm): 12
- Thread Length (mm): 17
- Weight: 42
- Over Locknut (mm): 142/148
- Length 161mm with tapered spacer or 167mm with flat face
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear - Length: 152 or 158mm Thread: 1.0mm
- Color: Black
- Thread Pitch: 1
- Overall Length (mm): 152/158
- Axle Diameter (mm): 12
- Thread Length (mm): 17
- Weight: 38
- Over Locknut (mm): 135/142
- Length 153mm with tapered spacer or 158mm with flat face.
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear - Thread: 1.5mm
FK2810
Regular price $48.00 Save $-48.00The Lightning Bolt-On Axles offer a low profile and lighter weight alternative to conventional thru axles with levers.
- Available front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile and lighter weight option to replace your stock thru-axles
- No more bulky handles to strike trail obstacles. Aerodynamic design
- Internally bored to remove unnecessary material without compromising strength
- Require a standard 6 mm hex wrench for easy installation and removal
- Manufactured in the USA to the tightest tolerances using aerospace materials and CNC manufacturing
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear - Length: 178mm Thread: 1.5mm
- Color: Black
- Thread Pitch: 1.5
- Overall Length (mm): 178
- Axle Diameter (mm): 12
- Thread Length (mm): 20
- Weight: 42
- Over Locknut (mm): 148
- Compatible with Shimano 12x148 E-thru and other axles with the same dimensions
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear - Length: 172mm Thread: 1.5mm
- Color: Black
- Thread Pitch: 1.5
- Overall Length (mm): 172
- Axle Diameter (mm): 12
- Thread Length (mm): 20
- Weight: 40
- Over Locknut (mm): 142/148
- Compatible with Shimano 12x142 E-thru and other axles with the same dimensions
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear - Length: 159 or 165mm Thread: 1.5mm
- Color: Black
- Thread Pitch: 1.5
- Overall Length (mm): 159/165
- Axle Diameter (mm): 12
- Thread Length (mm): 20
- Weight: 35
- Over Locknut (mm): 135/142
- Length 159mm with included spacer or 165 mm without
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear - Thread: 1.75mm
FK2812
Regular price $48.00 Save $-48.00The Lightning Bolt-On Axles offer a low profile and lighter weight alternative to conventional thru axles with levers.
- Available front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile and lighter weight option to replace your stock thru-axles
- No more bulky handles to strike trail obstacles. Aerodynamic design
- Internally bored to remove unnecessary material without compromising strength
- Require a standard 6 mm hex wrench for easy installation and removal
- Manufactured in the USA to the tightest tolerances using aerospace materials and CNC manufacturing
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear - Length: 174mm Thread: 1.75mm
- Color: Black
- Thread Pitch: 1.75
- Overall Length (mm): 174
- Axle Diameter (mm): 12
- Thread Length (mm): 20
- Weight: 42
- Over Locknut (mm): 142/148
- Compatible with Maxle 12x142 and other axles with the same dimensions
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear - Length: 180mm Thread: 1.75mm
- Color: Black
- Thread Pitch: 1.75
- Overall Length (mm): 180
- Axle Diameter (mm): 12
- Thread Length (mm): 20
- Weight: 44
- Over Locknut (mm): 148
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear - Length: 198mm Thread: 1.75mm
- Color: Black
- Thread Pitch: 1.75
- Overall Length (mm): 198
- Axle Diameter (mm): 12
- Thread Length (mm): 20
- Weight: 55
- Over Locknut (mm): 148
- Compatible with Trek BOOST full-suspension bikes and other axles with the same dimensions
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear -Length: 170mm Thread: 1.75mm
- Color: Black
- Thread Pitch: 1.75
- Thread Length (mm): 170
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear -Length: 167mm Thread: 1.75mm
- Color: Black
- Thread Pitch: 1.75
- Thread Length (mm): 167
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project 15mm Lightning Bolt Thru Axle
FK2800
Regular price $42.00 Save $-42.00Lightning Bolt Front Thru Axle
- Available front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile and lighter weight option to replace your stock thru-axles
- No more bulky handles to strike trail obstacles. Aerodynamic design
- Internally bored to remove unnecessary material without compromising strength
- Requires a standard 6 mm hex wrench for easy installation and removal
- Compatible with RockShox 12x100 Maxle
- Front - Length: 148mm Thread: M15 x 1.5mm (15x100 Rock Shox)
- Color: Black
- Thread Pitch: 1.5
- Overall Length (mm): 148
- Axle Diameter (mm): 15
- Thread Length (mm): 10
- Weight: 42
- Over Locknut (mm): 100
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project 15mm Lightning Bolt Thru Axle
FK2801
Regular price $42.00 Save $-42.00Lightning Bolt Front Thru Axle
- Available front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile and lighter weight option to replace your stock thru-axles
- No more bulky handles to strike trail obstacles. Aerodynamic design
- Internally bored to remove unnecessary material without compromising strength
- Requires a standard 6 mm hex wrench for easy installation and removal
- Compatible with RockShox 12x110 Boost Maxle
- Front - Length: 158mm Thread: M15 x 1.5mm (15x110 Rock Shox - Boost)
- Color: Black
- Thread Pitch: 1.5
- Overall Length (mm): 158
- Axle Diameter (mm): 15
- Thread Length (mm): 10
- Weight: 45
- Over Locknut (mm): 110
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project 15mm Lightning Bolt Thru Axle
FK2802
Regular price $42.00 Save $-42.00Lightning Bolt Front Thru Axle
- Available front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile and lighter weight option to replace your stock thru-axles
- No more bulky handles to strike trail obstacles. Aerodynamic design
- Internally bored to remove unnecessary material without compromising strength
- Requires a standard 6 mm hex wrench for easy installation and removal
- Compatible with Fox 15x100 axles
- Front - Length: 145mm Thread: M14 x 1.5mm (15x100 Fox)
- Color: Black
- Thread Pitch: 1.5
- Overall Length (mm): 145
- Axle Diameter (mm): 15
- Thread Length (mm): 15
- Weight: 53
- Over Locknut (mm): 100
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project 15mm Lightning Bolt Thru Axle - Front - Length: 125mm Thread: 1.5mm
FK2815
Regular price $42.00 Save $-42.00Lightning Bolt Front Thru Axle
- Available front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile and lighter weight option to replace your stock thru-axles
- No more bulky handles to strike trail obstacles. Aerodynamic design
- Internally bored to remove unnecessary material without compromising strength
- Requires a standard 6 mm hex wrench for easy installation and removal
- Thread Pitch: 1.5
- Color: Black
- Overall Length (mm): 125
- Axle Diameter (mm): 15
- Thread Length (mm): 15
- Weight: 32
- Over Locknut (mm): 100
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project 15mm Lightning Bolt Thru Axle - Front - Length: 138mm Thread: 1.5mm
FK2816
Regular price $42.00 Save $-42.00Lightning Bolt Front Thru Axle
- Available front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile and lighter weight option to replace your stock thru-axles
- No more bulky handles to strike trail obstacles. Aerodynamic design
- Internally bored to remove unnecessary material without compromising strength
- Requires a standard 6 mm hex wrench for easy installation and removal
- Thread Pitch: 1.5
- Color: Black
- Overall Length (mm): 138
- Axle Diameter (mm): 15
- Thread Length (mm): 15
- Weight: 46
- Over Locknut (mm): 100
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.
Robert Axle Project BOB Trailer 12mm Thru Axle
BT3421
Regular price $62.00 Save $-62.00The Robert Axle for BOB Trailers are specifically engineered to attach the proven BOB Trailer to a thru axle equipped bike. Machined and tested in the USA, the BOB Trailer axles are designed for maximum strength and ease of use.
- Stainless steel axle ends for attaching stock BOB Bobbins (Bobbins are NOT included; Customer must provide bobbins from stock BOB quick-release)
- Axle shaft is machined from 7075 aluminum and hard anodized
- Easy installation using a 5mm Allen key
- Endorsed and approved by BOB Gear
- Choose axle to match the length and thread pitch of the OEM thru-axle
- Materials: 7075 Aluminum and 303 Stainless Steel
- Application: BOB Trailer
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Bobbins - pair
BT3425
Regular price $20.00 Save $-20.00Bobbins bolt onto the Robert Axle Bob model to allow towing of a Bob trailer.
- Sold in pairs
- Made of 303 stainless steel
- Includes stainless steel hardware for attaching to axle
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Drive Thru Dummy Hub
TL4501
Regular price $35.00 Save $-35.00The Drive Thru is a dummy hub, or chain keeper that replaces your wheel while cleaning the chain. It is fast and an effective way to clean your chain in between races or in your garage. It allows you to fully rotate your cranks and shift through your complete range of gears while protecting the frame. Installs simply with one hand, and is quick and easy to change between bikes. The Drive Thru is also great or packing the bike for transport.
- Knurled axle stud head is easy to finger tighten with cold/greasy/oily hands
- 12 mm diameter
- Lead-in threads designed for quick insertion into the frame
- No tools required, simple one hand installation
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Drive Thru Value Meal Dummy Hub - 1.75/1.5/1.0mm, Pack of 3
TL4504
Regular price $70.00 Save $-70.00The Drive Thru is a dummy hub, or chain keeper that replaces your wheel while cleaning the chain. It is fast and an effective way to clean your chain in between races or in your garage. It allows you to fully rotate your cranks and shift through your complete range of gears while protecting the frame. Installs simply with one hand, and is quick and easy to change between bikes. The Drive Thru is also great or packing the bike for transport.
- Knurled axle stud head is easy to finger tighten with cold/greasy/oily hands
- 12 mm diameter
- Lead-in threads designed for quick insertion into the frame
- No tools required, simple one hand installation
- includes: three dummy axles with 1.0, 1.5, and 1.75 mm thread pitches and one Delrin pulley
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle for Surly Gnot Boost bikes
BT3439
Regular price $58.00 Save $-58.00The Kid Trailer Thru Axles allow users to attach a hitch mount style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle for Surly MDS 12 x 197
BT3441
Regular price $65.00 Save $-65.00The Kid Trailer Thru Axles allow users to attach a hitch mount style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle, Length: 152 or 167mm Thread: 1.0mm
BT3400
Regular price $58.00 Save $-58.00The Kid Trailer Thru Axles allow users to attach a hitch mount style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle, Length: 159 or 165mm Thread: 1.5mm
BT3404
Regular price $58.00 Save $-58.00The Kid Trailer Thru Axles allow users to attach a “hitch mount” style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
- For a proper fit see the Fitment Guide or use the Robert Axle Fitment Selector to find the axle you need or match the stock axle length and thread pitch to find the right axle.
- Use the Robert Axle Project Thru Axle finder to find the proper axle for your application.
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle, Length: 160, 167 or 172mm Thread: 1.0mm
BT3401
Regular price $58.00 Save $-58.00The Kid Trailer Thru Axles allow users to attach a “hitch mount” style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
- For a proper fit see the Fitment Guide or use the Robert Axle Fitment Selector to find the axle you need or match the stock axle length and thread pitch to find the right axle.
- Use the Robert Axle Project Thru Axle finder to find the proper axle for your application.
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle, Length: 167mm Thread: 1.75mm
BT3408
Regular price $58.00 Save $-58.00The Kid Trailer Thru Axles allow users to attach a hitch mount style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle, Length: 172 or178mm Thread: 1.5mm
BT3405
Regular price $58.00 Save $-58.00The Kid Trailer Thru Axles allow users to attach a hitch mount style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle, Length: 174 or 180mm Thread: 1.75mm
BT3409
Regular price $58.00 Save $-58.00The Kid Trailer Thru Axles allow users to attach a “hitch mount” style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
- For a proper fit see the Fitment Guide or use the Robert Axle Fitment Selector to find the axle you need or match the stock axle length and thread pitch to find the right axle.
- Use the Robert Axle Project Thru Axle finder to find the proper axle for your application.
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle, Length: 175 or 183mm Thread: 1.0mm
BT3353
Regular price $58.00 Save $-58.00The Kid Trailer Thru Axles allow users to attach a hitch mount style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle, Length: 182 or 188 mm Thread: 1.5mm
BT3437
Regular price $58.00 Save $-58.00The Kid Trailer Thru Axles allow users to attach a hitch mount style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle, Length: 192 or 198mm Thread: 1.75mm
BT3410
Regular price $58.00 Save $-58.00The Kid Trailer Thru Axles allow users to attach a hitch mount style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle, Length: 209mm Thread: 1.5mm
BT3406
Regular price $65.00 Save $-65.00The Kid Trailer Thru Axles allow users to attach a hitch mount style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle, Length: 209mm Thread: 1.75mm
BT3411
Regular price $65.00 Save $-65.00The Kid Trailer Thru Axles allow users to attach a hitch mount style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle, Length: 217 or 229mm Thread: 1.0mm
BT3403
Regular price $65.00 Save $-65.00The Kid Trailer Thru Axles allow users to attach a hitch mount style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle, Length: 217 or 229mm Thread: 1.75mm
BT3412
Regular price $65.00 Save $-65.00The Kid Trailer Thru Axles allow users to attach a hitch mount style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Kid Trailer 12mm Thru Axle, Length: 229mm Thread: 1.5mm
BT3407
Regular price $65.00 Save $-65.00The Kid Trailer Thru Axles allow users to attach a hitch mount style trailer, to any thru-axle equipped bike. Machined and tested in the USA, the Kid Trailer axles are designed for maximum strength and ease of use.
- For use with hitch mount style trailers common with child carriers such as Thule/Chariot, Burley, InStep, Croozer and more
- Stainless steel axle end provides an M10x1 threaded stud that accepts any hitch from popular trailers
- Trailer hitch is NOT included
- Customers will use hitch provided by trailer manufacturer
- Installed or removed using a 5mm Allen wrench
- Designed, built and quality tested in the USA
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.

Robert Axle Project Lightning Bolt Front
FK2803
Regular price $42.00 Save $-42.00Lightning Bolt Front Thru Axle
- Available front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile and lighter weight option to replace your stock thru-axles
- No more bulky handles to strike trail obstacles. Aerodynamic design
- Internally bored to remove unnecessary material without compromising strength
- Requires a standard 6 mm hex wrench for easy installation and removal
- Compatible with Fox 15x110 Boost axles
Robert Axle Project 15mm Lightning Bolt Thru Axle - Front - Length: 155mm Thread: M14 x 1.5mm (15x110 Fox - Boost)
- Color: Black
- Thread Pitch: 1.5
- Overall Length (mm): 155
- Axle Diameter (mm): 15
- Thread Length (mm): 15
- Weight: 55
- Over Locknut (mm): 110
Robert Axle Project 12mm Lightning Bolt Thru Axle - Rear - Length: 163mm Thread: 1.5mm
- Thread Pitch: 1.5
- Color: Black
- Overall Length (mm): 163
- Axle Diameter (mm): 12
- Thread Length (mm): 20
- Weight: 37
- Over Locknut (mm): 142
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.
Trainer Thru-Axles
BT3352
Regular price $54.00 Save $-54.00Robert Axle Project thru axles allow modern frames to be used with axle mount trainers.
- For use with bike trainers such as 1up, Blackburn, Cyclops, Kinetic, Tacx and more
- IMPORTANT: Before ordering, make sure your specific trainer will accommodate the width of the thru-axle equipped bike that you are using
- Measure trainer at the widest setting and measure the bike frame width at the rear hub
- The Robert Axle ends will extend 15mm past the frame on each side
- Axle shaft and axle ends are machined from 7075 aluminum and hard anodized
- Installed or removed using a 5mm Allen wrench
- Designed, built and tested in the USA
FREE standard shipping on orders over $75 excluding Used Bikes.
Any order over $75 qualifies for free standard shipping excluding Alaska, Hawaii, US Virgin Islands, Puerto Rico, Guam, military and air force bases.
We do not ship to PO Boxes.
Delivers in 2-9 business days depending on the order.
Possible Delay in Order Processing
Below are the current order-processing service levels from our distribution centers for orders received prior to Last Call deadlines:
· MN, CO, PA, NV: Same day, possible 1-day delay
Shipping providers are also experiencing longer shipping times. Please use the tracking information on your order for the most up-to-date information. Some out-of-stock product ETA dates are inaccurate due shipping delays.
U.S. Last Call Times
- Local courier, Will Call and international shipments: 2 PM Central
- UPS Regional Ground and Early OnTrac service from Reno: 3 PM Central
- UPS and FedEx next day air shipments, and Spee-Dee, Golden State Overnight, and standard OnTrac regional shipments: 4 PM Central
- UPS Ground: 6 PM Central
- Fed Ex Ground:
- MN, CO, NV: 6 PM Central
- PA: 5 PM Central
- USPS* and LTL** Ground: 6 PM Central
*USPS orders placed before 12 PM will ship same day. Orders placed after 12 PM will ship the following day
**LTL orders placed before 12 PM Central will ship same day. Orders placed after 12 PM Central will ship the following day
Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold. The below does not apply to bikes that fall into those categories.
We stand behind the products we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase.
The item(s) must be in new, unused condition with original packaging.
A refund will be applied to the original card used in the transaction.
- Pack the item securely and include the original product packaging and tags if available. (Hint: If you cover all existing shipping labels, you can reuse the bag or box your order came in.)
- Include proof of purchase (invoice, store receipt) plus your name, address, email, phone number and member number (if applicable) and a brief description of why you’re returning the item. (No return code required.)
- Attach the return shipping label, or address your package to:
To note:
- If we have questions about your return, we will contact you by phone or email.
- Returned merchandise that does not meet the conditions of the 100% Satisfaction Guarantee will be declined and sent back.
- All sales are final on Unlimited Biking Sale purchases.
- If your item has a manufacturing defect in materials or workmanship, you can return it at any time. See our limited warranty.
- Used items must be cleaned prior to return. Merchandise that is not cleaned or laundered may be declined and sent back.