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)	172.5
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	172.5Mm
Chainring Size	42T