SRAM Force 1 Crankset - 172.5mm, 10/11-Speed, 42t, 110 BCD, BB30/PF30 Spindle Interface, Black

Carbon fiber arms with structural foam core provide excellent strength-to-weight. Tall teeth with alternating narrow and wide profiles retain chain over rough terrain. Hidden" chainring bolt threads into crank arm to enhance chainring stiffness Q-factor is 145mm Number of Chainrings: Chain Retaining Single Chainline/Hub Compatibility: 130 Hubs , 135/142 Road Disc Hubs < 415 mm Chainstay Spindle Interface Type: BB30/PF30 , BBright Chainring BCD: 110 Color: Black Crank Intended Use: Cyclocross Pedal Spindle: 9/16" Crank Length (mm): 172.5 Rings: 42 Drivetrain Speeds: 11 , 10 Defined Color: Black BB Included: No   170mm, 10/11-Speed, 42t, 110 BCD, BB30/PF30 Spindle Interface, Black Number of Chainrings: Chain Retaining Single Chainline/Hub Compatibility: 130 Hubs , 135/142 Road Disc Hubs < 415 mm Chainstay Spindle Interface Type: BB30/PF30 , BBright Chainring BCD: 110 Color: Black Crank Intended Use: Cyclocross Pedal Spindle: 9/16" Crank Length (mm): 170 Rings: 42 Drivetrain Speeds: 11 , 10 Defined Color: Black BB Included: No