- New
(edit with the Customer Reassurance module)
(edit with the Customer Reassurance module)
(edit with the Customer Reassurance module)
The new crank arm design offers the optimal balance between lightness and efficiency. The hollow aluminum crankset is finished in a beautiful gloss black anodized finish for a luxurious look. The resin fins on the rear of the chainring are a unique SHIMANO 105 design that reduces weight while ensuring high-performance shifting. Model: FC R7100 Material: Steel / Aluminum / CFRP Designed for drives: 2x12 Works with 12-speed drivetrains Disc Combination: 50x34 Crank arm length: 175 mm Hollowtech II Integrated steel axle Outer Chainring: Aluminum / CFRP, Hollowglide (Hollow disc design) reduces weight while increasing strength 4-arm crank design Inner shield: Aluminum PCD 110mm Chainline: 44.5mm Dedicated bearings: SM-BBR60, SM-BB72-41B Press-fit Q-factor: 148mm Dedicated chain: Shimano 12-speed, e.g. CN-M8100, CN-M7100, CN-M6100