The Shimano FC-RX610 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding.

• Gravel-optimized 46-30t gear combination ratios preserve riding rhythm on rough surfaces
• Smaller gear steps for cadence control on mixed-terrain riding
• Compatible with HG 12-speed chains
• 47mm chainline
• 151mm Q-factor