Shimano GRX FC-RX610 2x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110-80 BCD Asymmetric - 172.5mm - Black - 46-30T - 47mm Chainline PDP|Colour A new closure system for

A new closure system for convenient engagement of support and to facilitate quick removal in case of emergency

Available in both standard 15mm

The valving recommendations are based on testing and are aimed at centering in the adjustment range

They are always engineered with the largest balls possible

Contoured waistband designed for all day comfort

Shimano GRX FC-RX610 2x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110-80 BCD Asymmetric - 172.5mm - Black - 46-30T - 47mm Chainline PDP|Colour A new closure system forThe Shimano FC RX610 2 balances weight savings and optimized efficiency for mixed terrain riding and racing. Gearing options cater to the segmented demands of gravel cycling, maintaining the tighter gear steps needed to maintain your position in the bunch. The 2x12 speed crank utilizes a 46 30T chainring combination and comes in 165, 170, 172. 5, and 175 mm crank arm lengths.