Shimano RX810 GRX 11 Spd Crankset Size:172.5mm - 40t 11- and 12-speed drivetrains mandate

11- and 12-speed drivetrains mandate that each PowerLock® is good for a one-time application only

it provides a comfortable grip and excellent leverage

both beginners and enthusiasts will feel comfortable with the features that 9-speed Sora R3000 introduces

as well as 7

Includes in-line gauge for perfect inflation every time

Shimano RX810 GRX 11 Spd Crankset Size:172.5mm - 40t 11- and 12-speed drivetrains mandateShimano RX810 GRX 11 Speed Crankset Designed for riding on rough roads, through gravel and mud, to be able to carry on in comfort, stress free, to wherever you want, to allow you to achieve that unique sense of accomplishment. The first groupset designed for Gravel riding Explore beyond. Introducing SHIMANO GRX. Tighter gear steps maintain rhythm on familiar route Optimum gearing for mixed terrains and riding styles Gear combination: 42T, 40T