Take-Off - Shimano Ultegra FC-R8100 Crankset 170mm 52-36T
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Take-Off Item: This product is sold as a take-off item. It was removed from a bicycle prior to use. Original packaging may be missing or incomplete. Minor cosmetic blemishes may be present. The product is in full functioning order.
The Shimano Ultegra FC-R8100 crankset brings 12-speed road performance to a 170mm arm length with a 52/36T chainring pairing. Built on Shimano's Hollowglide hollow-forged arm structure, it balances low weight with stiffness for efficient power transfer. The asymmetric four-arm chainring bolt pattern uses a 110mm BCD, matching the Ultegra and Dura-Ace groupset standard for this generation.
This crankset uses the Hollowtech II spindle interface and requires a compatible bottom bracket, sold separately. Pedal spindles thread to the standard 9/16 inch size, and the 148mm Q-factor with 44.5mm chainline suit modern road frames built around 130mm rear hub spacing. It pairs well with Shimano's 12-speed Ultegra and Dura-Ace drivetrains.
Quick Facts
| Feature | Specification |
|---|---|
| Crank length | 170mm |
| Chainring configuration | 52/36T (double), 110mm BCD, Shimano asymmetric bolt pattern |
| Drivetrain speeds | 12-speed |
| Spindle interface | Shimano Hollowtech II (bottom bracket sold separately) |
| Q-factor / Chainline | 148mm / 44.5mm |
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