Cycling · Crank · Shimano
Shimano Ultegra FC-R8100
A 2x12-speed road crankset in Shimano's Ultegra R8100 groupset, featuring Hollowtech II and Hollowglide construction for efficient power transfer at a sub-Dura-Ace price.
Released 2021Family: Ultegra FC-R8100Quick facts · not yet fully researched

Quick specs
- Speeds
- 2x12
- Weight
- ~700 g
- Construction
- Hollowglide hollow-forged arms, Hollowtech II BB interface
- Spindle Diameter
- 24 mm (Hollowtech II)
- Chainring Options
- 50-34T or 52-36T
- Crank Arm Lengths
- 160, 165, 170, 172.5, 175 mm
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