julio 27, 2026
julio 27, 2026
Shimano Ultegra FC-R8100 172.5mm Single Chainring Crankset Hollowtech II Black Includes Wahoo cadence and look pedals
julio 27, 2026
Perfect for replacing a worn crank arm, adjusting crank length, or completing your Ultegra 12-speed build. Minor storage marks may be present from handling or storage.
julio 27, 2026
Contains all parts, including the crank arm bolts, locking spacer, and end cap.
julio 27, 2026
New Takeoff! CyclingUpgrades is here to help you buy and ride upgrades! CyclingUpgrades was born from a passion of riding and upgrading our own bike(s). This includes details like ultrasonic cleaning of cassettes, bar-tape adhesive removal off handlebars, even disassembling pulley wheels and chainrings for cleaning on those really gunked up drivetrains!
julio 27, 2026
Shimano Ultegra FC-R8100 Crank Arms – 172.5mm | 12-Speed | Hollowtech II | No Chainring. 🔩Crank Type: Hollowtech II. 🚴Chainring: Not included – crank arms only.
julio 27, 2026
Shimano 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 Product Specifics Color: Black Ring Position/Type: Inner Tooth Count: 34 Round or Oval: Round Drivetrain Speeds: 12 Chainring BCD: 110 Shimano Asymmetric Material: Aluminum Defined Color: Black .
julio 27, 2026
For sale is a new set of Shimano Ultegra FC-08 crank arms. These are the replacement arms provided by Shimano for recalled cranksets. They are identical to FC-R8100. I needed the rings off of these, so selling just the arms. Message me with any questions!
julio 27, 2026
Shimano left-hand crank arm unit FC-R8100, 170mm length
julio 27, 2026
Length: 175mm. We will do everything in our power to resolve the issue.
julio 27, 2026
Spindle Interface Type: Shimano Hollowtech II. Drivetrain Speeds: 12. Color: Black. Defined Color: Black. Rings: 52/36. Crank Length (mm): 165.
julio 27, 2026
The Shimano Ultegra FC-R8100 features Hollowglide structure that cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting. Spindle Interface Type Shimano Hollowtech II.
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