Shimano GRX FC-RX810-2 31/48T

GRX 11 speed, hollow arm double crankset 31-48T: Shimano's widest range gravel-oriented double crank, provides optimum gearing and maximum efficiency for mixed terrain riding Tighter gear steps than 1X drivetrains make it easier to maintain pedaling rhythm Bottom Bracket : Not included - SM-BBR60 / SM-BB72 Chainline : 46.9mm Weight: 710g Attributes BCD 80/110 BB Inclusion No Chainline 46.9mm Teeth 31/48 Crank Spindle Diameter 24mm Interface Hollowtech II Crankset Weight 710g Crankset Material Aluminum Pedals Thread 9/16'' Primary Color Black Speed 11 Drivetrain Spacing Road Disc