Highlights
Description
The Shimano FC-RX820 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding. Gravel-optimized 48-31t gear combination ratios preserve riding rhythm on rough surfaces. The 17t range covers an array of riding conditions. Smaller gear steps for cadence control on mixed-terrain riding. Hollowtech II crank arms provide strength and stiffness with the benefit of weight savings. Compatible with HG 12-speed chains. 47mm chainline. 151mm Q-factor.