The Shimano GRX FC-RX810 features optimum gearing for mixed terrain and riding styles and is designed for use with GRX Di2 components.

Color Black Rings 42 Number of Chainrings Single Crank Length (mm) 170 Crank Intended Use Gravel Drivetrain Speeds 11 Weight 655 BB Included No Pedal Spindle 9/16″ Spindle Interface Type Shimano Hollowtech II Chainring BCD 110 Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Defined Color Black Crank Length 170Mm Chainring Size 42T