The GRX FC-RX600 crankset offers optimum gearing for mixed terrains and riding styles. 2x10 speed crankset features wider gear range for long tours and unknown terrain. 46.9mm chainline / 151mm Q-factor. 2-piece crank construction. Item Specifications: Pedal Spindle: 9/16", BB Included: No, Chainring BCD: 110,80, Color: Black, Defined Color: Black, Crank Intended Use: Gravel, Number of Chainrings: Double, Crank Length (mm): 165mm, Rings: 46/30, Drivetrain Speeds: 10, Spindle Interface Type: Hollowtech II, Weight: 819, Chainline/Hub Compatibility: 135/142 Road Disc Hubs > 415 mm Chainstay,