1354 products

Shimano Ultegra CS-HG800 11-Speed Cassette
FW0502
Regular price $105.04 Save $-105.04The Shimano HG800 11-speed cassette is designed to fit a variety of bikes.
- Hub body designed to fit a variety of bikes from MTB to road bikes (spacer required to fit hub body to road bikes)
- The CS-HG800 cassette meets durability requirements for E-MTB applications
Shimano Ultegra CS-HG800 Cassette - 11 Speed, 11-34t, Silver
- Color: Silver
- Cassette Body Type: Shimano Dynasys 11 Speed Mountain , Shimano/SRAM 8, 9, 10 Speed
- Designed for ebike: Yes
- Drivetrain Speeds: 11
- Defined Color: Silver
- Cassette Cogs: 11-13-15-17-19-21-23-25-27-30-34
- Weight: 335
- Range: 11-34
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.

Shimano Ultegra CS-R8000 11-Speed Cassette
FW0504
Regular price $92.60 Save $-92.60Shimano Ultegra R8000 11 speed cassette provides high performance gear combinations that provide superior rider choice.
- The CS-R8000 cassette meets durability requirements for E-MTB applications
Shimano Ultegra CS-R8000 Cassette - 11 Speed, 11-28t, Silver
- Color: Silver
- Cassette Body Type: Shimano/SRAM 11 Speed Road
- Designed for ebike: Yes
- Drivetrain Speeds: 11
- Defined Color: Silver
- Cassette Cogs: 11-12-13-14-15-17-19-21-23-25-28
- Weight: 251
- Range: 11-28
Shimano Ultegra CS-R8000 Cassette - 11 Speed, 11-30t, Silver
- Color: Silver
- Cassette Body Type: Shimano/SRAM 11 Speed Road
- Designed for ebike: Yes
- Drivetrain Speeds: 11
- Defined Color: Silver
- Cassette Cogs: 11-12-13-14-15-17-19-21-24-27-30
- Weight: 269
- Range: 11-30
Shimano Ultegra CS-R8000 Cassette - 11 Speed, 11-32t, Silver
- Color: Silver
- Cassette Body Type: Shimano/SRAM 11 Speed Road
- Designed for ebike: Yes
- Drivetrain Speeds: 11
- Defined Color: Silver
- Cassette Cogs: 11-12-13-14-16-18-20-22-25-28-32
- Weight: 292
- Range: 11-32
Shimano Ultegra CS-R8000 Cassette - 11 Speed, 12-25t, Silver
- Color: Silver
- Cassette Body Type: Shimano/SRAM 11 Speed Road
- Designed for ebike: Yes
- Drivetrain Speeds: 11
- Defined Color: Silver
- Cassette Cogs: 12-13-14-15-16-17-18-19-21-23-25
- Weight: 243
- Range: 12-25
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.

Shimano Ultegra CS-R8000 Cassette - 11 Speed, 11-25t, Silver
FW0503
Regular price $94.35 Save $-94.35Shimano Ultegra R8000 11 speed cassette provides high performance gear combinations that provide superior rider choice.
- The CS-R8000 cassette meets durability requirements for E-MTB applications
- Color: Silver
- Cassette Body Type: Shimano/SRAM 11 Speed Road
- Designed for ebike: Yes
- Drivetrain Speeds: 11
- Defined Color: Silver
- Cassette Cogs: 11-12-13-14-15-16-17-19-21-23-25
- Weight: 232
- Range: 11-25
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.
Shimano Ultegra CS-R8101 Cassette - 12-Speed, 11-30t, Silver
FW0318
Regular price $117.99 Save $-117.99The uninterrupted shifting experience of the Shimano Ultegra CS-R8100 12-speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-speed freehub bodies. Shimano HYPERGLIDE+ technology is integrated to provide seamless shifts both up and down the gear range.
- Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation
- Faster, smoother shifts under maximum pedaling force
- Compatible with 12-speed and road 11-speed freehub body
- Color: Silver
- Cassette Body Type: Shimano/SRAM 11 Speed Road
- Drivetrain Speeds: 12
- Defined Color: Silver
- Cassette Cogs: 11-12-13-14-15-16-17-19-21-24-27-30
- Weight: 291
- Range: 11-30
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.
Shimano Ultegra Di2 Shift/Brake Lever with BR-R8170 Hydraulic Disc Brake Caliper
LD0551
Regular price $536.99 Save $-536.99Your time on the bike is precious, let Shimano make it even better. Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO-WAVE technology. The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. The BR-R8170 hydraulic 2-piston disc brake caliper brings a new level of control to the road cycling world with improved modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain.
- The wireless connection provides a clean cockpit, enhancing the aerodynamic effect and easy maintenance
- Wider pad clearance decreases brake noise
- Maintenance-friendly bleeding process
- Unparalelled ergonomic features, such as raised hood peaks on levers
- Brake control is optimized with light and smooth lever action
- Enhanced modulation thanks to an expanded braking control area
- Compatible with wireless or wired connection
ST-R8170A - Left/Front - 2x - Flat Mount
- Includes L03A pads
- Rotor Included: No
- Pad Compound: Resin
- Color: Black
- Brake Caliper Mount: Flat Mount
- Hydraulic Hose Length: 1000
- Brake Lever Use: Left
- Hydraulic Fluid Type: Mineral Oil
- Front Der/Shifter Compatibility: Shimano Road Di2
- Brake Lever Actuation: Hydraulic
- Drivetrain Speeds: 12
- Defined Color: Black
ST-R8170E - Left/Front - 2x - Flat Mount
- Includes L05A-RF pads
- Includes fork adapter for 160mm rotors
- Brake Caliper Mount: Flat Mount
- Hydraulic Hose Length: 1000
- Brake Lever Use: Left
- Hydraulic Fluid Type: Mineral Oil
- Rear Der/Shifter Compatibility: Shimano Road Di2
- Adjustable Reach: Yes
- Rotor Included: No
- Double or Triple: Double
- Color: Black
- Pad Compound: Resin
- Front Der/Shifter Compatibility: Shimano Road Di2
- Brake Lever Actuation: Hydraulic
- Drivetrain Speeds: 12
- Defined Color: Black
ST-R8170A - Right/Rear - 12-Speed - Flat Mount
- Includes L03A pads
- Rotor Included: No
- Pad Compound: Resin
- Color: Black
- Brake Caliper Mount: Flat Mount
- Hydraulic Hose Length: 1700
- Brake Lever Use: Right
- Hydraulic Fluid Type: Mineral Oil
- Brake Lever Actuation: Hydraulic
- Rear Der/Shifter Compatibility: Shimano Road Di2
- Drivetrain Speeds: 12
- Defined Color: Black
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.

Shimano Ultegra English Bottom Bracket
CR6800
Regular price $28.28 Save $-28.28Shimano Ultegra BB72, BBR60 Hollowtech II Bottom Brackets
- Reduced size for light weight
- New seal construction for smoother rotation
- Requires TL-FC34 or included TL-FC24 adaptor for installation & removal
- Spindle Interface Type: Shimano Hollowtech II
- BB Shell Width (mm): 68
- Bottom Bracket Shell I.D.: 1.37
- BB/Frame Interface: English
- Defined Color: Black
- Weight: 77
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.

Shimano Ultegra FC-6700 Crank Arm Fixing Bolt
CR6762
Regular price $2.91 Save $-2.91FREE 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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.

Shimano Ultegra FC-6800 Outer Chainring Bolt and Cap Set of 8
CR8179
Regular price $40.99 Save $-40.99Shimano Chainring Bolts
- For use with FC-6800 46t outer chainring
- T-30 Torx
- Material: Aluminum
- Color: Black
- Type: Torx
- Length: 10
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.
Shimano Ultegra FC-8100 12-Speed Crankset
CK0653
Regular price $314.99 Save $-314.99An integral part of the Shimano Ultegra 12-speed road lineup, the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements.
- Optimal balance of stiffness, strength, weight and rotational performance
- Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting
- 148mm Q-factor
- 44.5mm chainline
Shimano Ultegra FC-R8100 Crankset - 170mm, 12-Speed, 50/34t, Hollowtech II Spindle Interface, Black
- Number of Chainrings: Double
- Color: Black
- Pedal Spindle: 9/16"
- Crank Length (mm): 170
- Crank Intended Use: Road
- Chainline/Hub Compatibility: 130 Hubs
- Rings: 50/34
- Spindle Interface Type: Shimano Hollowtech II
- Drivetrain Speeds: 12
- Defined Color: Black
- Chainring BCD: 110 Shimano Asymmetric
- BB Included: No
Shimano Ultegra FC-R8100 Crankset - 175mm, 12-Speed, 52/36t, Hollowtech II Spindle Interface, Black
- Number of Chainrings: Double
- Color: Black
- Chainline/Hub Compatibility: 130 Hubs
- Pedal Spindle: 9/16"
- Crank Intended Use: Road
- Crank Length (mm): 175
- Rings: 52/36
- Spindle Interface Type: Shimano Hollowtech II
- Drivetrain Speeds: 12
- Defined Color: Black
- Chainring BCD: 110 Shimano Asymmetric
- BB Included: No
Shimano Ultegra FC-R8100 Crankset - 175mm, 12-Speed, 50/34t, Hollowtech II Spindle Interface, Black
- Number of Chainrings: Double
- Color: Black
- Chainline/Hub Compatibility: 130 Hubs
- Pedal Spindle: 9/16"
- Crank Intended Use: Road
- Crank Length (mm): 175
- Rings: 50/34
- Spindle Interface Type: Shimano Hollowtech II
- Drivetrain Speeds: 12
- Defined Color: Black
- Chainring BCD: 110 Shimano Asymmetric
- BB Included: No
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.
Shimano Ultegra FC-R8100 12-Speed Chainring
CR5038
Regular price $11.76 Save $-11.76Shimano Ultegra FC-R8100 chainrings are constructed with high quality aluminum and are compatible with FC-R8100 and FC-8100-P 2x 12-speed cranksets.
- Asymmetric 110 BCD
- Compatible with HG 12-speed chains
- Aluminum with anodized finish provides durability and light weight
Shimano Ultegra FC-R8100 12-Speed Chainring - 34t, Asymmetric 110 BCD, Black, NK
- 34t inner chainring is for use with 50t outer chainring
- Round or Oval: Round
- Material: Aluminum
- Color: Black
- Tooth Count: 34
- Ring Position/Type: Inner
- Drivetrain Speeds: 12
- Defined Color: Black
- Chainring BCD: 110 Shimano Asymmetric
Shimano Ultegra FC-R8100 12-Speed Chainring - 36t, Asymmetric 110 BCD, Black, NH
- 36t inner chainring is for use with 52t outer chainring
- Round or Oval: Round
- Material: Aluminum
- Color: Black
- Tooth Count: 36
- Ring Position/Type: Inner
- Drivetrain Speeds: 12
- Defined Color: Black
- Chainring BCD: 110 Shimano Asymmetric
Shimano Ultegra FC-R8100 12-Speed Chainring - 50t, Asymmetric 110 BCD, Black, NK
- Hollowglide technology provides high rigidity and cuts down on weight while maintaining strength
- Offers better power transfer and quicker, more precise front shifting
- 50t outer chainring is for use with 34t inner chainring
- Round or Oval: Round
- Material: Aluminum w/ Carbon Wrap
- Color: Black
- Tooth Count: 50
- Ring Position/Type: Outer
- Drivetrain Speeds: 12
- Defined Color: Black
- Chainring BCD: 110 Shimano Asymmetric
Shimano Ultegra FC-R8100 12-Speed Chainring - 52t, Asymmetric 110 BCD, Black, NH
- Hollowglide technology provides high rigidity and cuts down on weight while maintaining strength
- Offers better power transfer and quicker, more precise front shifting
- 52t outer chainring is for use with 36t inner chainring
- Material: Aluminum w/ Carbon Wrap
- Color: Black
- Tooth Count: 52
- Defined Color List: Black
- Ring Position/Type: Outer
- Drivetrain Speeds: 12
- Chainring BCD: 110 Shimano Asymmetric
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.
Shimano Ultegra FC-R8100 Crankset - 172.5mm, 12-Speed, 50/34t, Hollowtech II Spindle Interface
CK0650
Regular price $314.99 Save $-314.99An integral part of the Shimano Ultegra 12-speed road lineup, the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements.
- Optimal balance of stiffness, strength, weight and rotational performance
- Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting
- 148mm Q-factor
- 44.5mm chainline
- Number of Chainrings: Double
- Color: Black
- Pedal Spindle: 9/16"
- Crank Length (mm): 172.5
- Crank Intended Use: Road
- Chainline/Hub Compatibility: 130 Hubs
- Rings: 50/34
- Spindle Interface Type: Shimano Hollowtech II
- Drivetrain Speeds: 12
- Defined Color: Black
- Chainring BCD: 110 Shimano Asymmetric
- BB Included: No
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.
Shimano Ultegra FC-R8100 Crankset - 172.5mm, 12-Speed, 52/36t, Hollowtech II Spindle Interface, Black
CK0651
Regular price $314.99 Save $-314.99An integral part of the Shimano Ultegra 12-speed road lineup, the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements.
- Optimal balance of stiffness, strength, weight and rotational performance
- Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting
- 148mm Q-factor
- 44.5mm chainline
- Number of Chainrings: Double
- Color: Black
- Chainline/Hub Compatibility: 130 Hubs
- Pedal Spindle: 9/16"
- Crank Intended Use: Road
- Crank Length (mm): 172.5
- Rings: 52/36
- Spindle Interface Type: Shimano Hollowtech II
- Drivetrain Speeds: 12
- Defined Color: Black
- Chainring BCD: 110 Shimano Asymmetric
- BB Included: No
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.

Shimano Ultegra FD-R8000 11-Speed 31.8/28.6 Front Derailleur, Black
FD0742
Regular price $66.60 Save $-66.60Ultegra FD-R8000 Front Derailleur
- Lighter front shifting operation
- Flexible cable routing design
- Double or Triple: Double
- keyword search: IFDR9100BSM
- Derailleur Capacity: 16
- Front Der/Shifter Compatibility: Shimano Road
- Front Derailleur Style: Traditional
- Max Ring (teeth): 53
- Front Derailleur Cable Pull: Bottom Pull
- Front Derailleur Clamp: 28.6 (1-1/8") , 31.8 (1-1/4")
- Drivetrain Speeds: 11
- Weight: 92
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.
Shimano Ultegra FD-R8000 Ultegra Front Derailleur
FD0741
Regular price $63.98 Save $-63.98Ultegra FD-R8000 Front Derailleur
- Lighter front shifting operation
- Flexible cable routing design
Shimano Ultegra FD-R8000 11-Speed 34.9 Front Derailleur, Black
- Double or Triple: Double
- keyword search: IFDR9100BL
- Derailleur Capacity: 16
- Front Der/Shifter Compatibility: Shimano Road
- Front Derailleur Cable Pull: Bottom Pull
- Front Derailleur Style: Traditional
- Max Ring (teeth): 53
- Front Derailleur Clamp: 34.9 (1-3/8")
- Drivetrain Speeds: 11
- Weight: 92
Shimano Ultegra FD-R8000 11-Speed Braze-On Front Derailleur, Black
- Double or Triple: Double
- Derailleur Capacity: 16
- Front Der/Shifter Compatibility: Shimano Road
- Front Derailleur Cable Pull: Bottom Pull
- Front Derailleur Style: Traditional
- Max Ring (teeth): 53
- Front Derailleur Clamp: Braze-on
- Drivetrain Speeds: 11
- Weight: 106
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.
Shimano Ultegra FD-R8000/FD-6800~ 105 FD-5801/105 R7000 Front Derailleur Support Bolt and Plate
DP7718
Regular price $3.86 Save $-3.86Shimano Miscellaneous Front Derailleur Parts
- For use with Shimano Ultegra FD-R8000/FD-6800 and 105 FD-5801/FD-R7000
Dura-Ace FD-R9150 Front Derailluer Support Bolt and Plate
Shimano Miscellaneous Front Derailleur Parts
Ultegra FD-R8000 Front Derailleur Support Bolt and Plate
Shimano Miscellaneous Front Derailleur Parts
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.

Shimano Ultegra FD-R8050 Di2 11-Speed Front Derailleur
FD0744
Regular price $262.71 Save $-262.71Ultegra FD-R8050 Front Derailleur
- System communication with rear derailleur, combined with programmed chainguide control means minimal chance of chain drop
- Quick and smooth front shifting under high pedaling torque
- Double or Triple: Double
- Derailleur Capacity: 16
- Front Der/Shifter Compatibility: Shimano Road Di2
- Max Ring (teeth): 53
- Front Derailleur Style: Traditional
- Front Derailleur Cable Pull: Electronic
- Front Derailleur Clamp: Braze-on
- Drivetrain Speeds: 11
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.

Shimano Ultegra FH-6800 Rear Hub Quick Release
QR9010
Regular price $15.12 Save $-15.12Shimano Ultegra 6800 Rear Hub Quick Release Skewers
- Overall Length: 163mm
- Intended for 130mm spacing
- Color: Dark Gray
- Rear Axle Type: Standard QR
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.

Shimano Ultegra FH-6800, XT FH-M770 Freehub Body Washer
FW8954
Regular price $1.86 Save $-1.86FREE 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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.

Shimano Ultegra HB-6800 Front Hub Quick Release
QR9011
Regular price $14.56 Save $-14.56Shimano Ultegra 6800 Front Hub Quick Release Skewer
- Overall Length: 133mm
- Intended for 100mm spacing
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.
Shimano Ultegra Left Crank Arm
CR8171
Regular price $70.45 Save $-70.45Shimano Ultegra FC-R8000 Left Crank Arms
FC-6800 172.5mm Left Crank Arm
- Color: Dark Gray
- Spindle Interface Type: Hollowtech II
R8000 172.5mm Left Crank Arm
- Color: Black
- Spindle Interface Type: Hollowtech II
- Length: 172.5
FC-R8000 Left Crank Arm - 170mm
- Color: Black
- Spindle Interface Type: Hollowtech II
- Length: 170
FC-R8000 Left Crank Arm - 175mm
- Color: Black
- Spindle Interface Type: Hollowtech II
- Length: 175
FC-R8000 Left Crank Arm - 165mm
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.

Shimano Ultegra PD-6700, 105 PD-5700 SPD-SL Pedal Left Side Axle Set
PD9063
Regular price $18.20 Save $-18.20Shimano Pedal Small Parts
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
Order Cancellation
If you need to cancel your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site. We do our best to accommodate cancellation requests, but we do not guarantee we will be able to cancel your order if it has been processed through our warehouse. Your understanding of this matter is appreciated.
Pricing Policy
The prices on our website are set to active pricing. This means we are always giving you the best price possible. If we are able to lower the price because of product or shipping discounts, we will receive it then we will pass that onto you. Prices may fluctuate and we do not offer a Price Guarantee so if the price changes after you have made a purchase there will not be a refund issued. The purchase price is accurate for the time you placed the order.
Return Policy
Is your order not what you were expecting? Please contact us so we can help you with your return.
We have a 30-day return policy for orders within the US (lower 48 States only). We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. A pre-paid return label will be provided for you, and the cost of the label will be deducted from your refund once we process the return. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. Please note that there are no refunds or exchanges for any pre-built bikes or used bikes sold.
If you need to return your order, please email us at shop@unlimitedbiking.com, call us at 212-749-4444 or use the live chat on our site.
*Please allow up to 2-3 business days for us to process your return*
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately. Please refer to the Return Form for the product you do not need and send it in for a full refund.
Warranty
Unlimited Biking is an authorized dealer for everything we sell. That means all new items you buy from us get the full manufacturer's warranty. If you need to have an issue considered for warranty, contact us through email, chat, or phone (212-749-4444) and our team will go straight to work to find you the easiest and fastest solution. In most cases, your claim will be resolved within 48 hours.
Online Returns
Submit your online return request HERE. Online returns follow our standard policy above.