The Shimano 105 FC-R7100 Hollowtech 2 Crankset features ...
high-end design handed down from Shimano's top-tier drivetrains. Hollowtech 2 construction provides the optimal balance of stiffness, strength, weight, and rotational performance. A gloss black anodized finish provides a refined aesthetic that ...
The Shimano 105 FC-R7000 Hollowtech II crankset balances ...
weight and efficiency without sacrificing stiffness. The wider gear pitch increases clearances with small gearing on modern frames, allowing you to take full advantage of frame clearance for larger volume tires.