Shimano GRX FC-RX600-10 Crankset - 170mm, 10-Speed, 46/30t, 110/80 BCD, Hollowtech II Spindle Interface, BlackThe Shimano GRX FC RX600 crankset offers optimum gearing for mixed terrains and riding styles. Product Specifics Defined Color: Black Rings: 46 30 Spindle Interface Type: Shimano Hollowtech II Chainring BCD: 110 Shimano Asymmetric Chainring BCD: 80 Color: Black Chainline Hub Compatibility: 135 142 Road Disc Hubs > 415 mm Chainstay Drivetrain Speeds: 10 Weight: 819 Number of Chainrings: Double Crank Intended Use: Gravel Today's Stock Status 8 Available