Shimano 105 FC-R7100 Crankset - 170mm
Shimano 105 FC-R7100 Crankset - 170mm, Features of the Shimano 105 FC-R7100 Crankset - 170mm Optimal balance of stiffness, strength, weight and rotational Performance HOLLOWTech II structure cuts weight yet maintains strength for better power transfer Crank arm length: 170 mm Gear combination: 50-34T Q-factor: 148 mm