Shimano GRX FC-RX610-2 30/46T

The new FC-RX610-2 crank balances weight and efficiency for mixed-terrain riding. Gearing options cater for the specific demands of gravel riding and to maintain tighter gear steps for maintaining pedaling rhythm. GRX 12 speed, double crankset. 30-46T: Shimano's widest range gravel-oriented double crank. Tighter gear steps than 1X drivetrains make it easier to maintain pedaling rhythm Bottom Bracket: Not included - BB-RS500/BB-RS500-PB. Chainline: 46.9mm Attributes BCD 80/110 BB Inclusion No Chainline 46.9mm Teeth 30/46 Crank Spindle Diameter 24mm Crankset Material Aluminum Pedals Thread 9/16'' Primary Color Black Speed 12 Drivetrain Spacing Road Disc