The Campagnolo Chorus 12-Speed Crankset features lightweight carbon crank arms, and is optimized for Campagnolo’s Ultra-Torque crank system.

– Utilizes Campagnolo’s Ultra-Torque crank system to provide a very lightweight and stiff system that transfers power to the pedals without power loss
– Directly molded unidirectional carbon fiber cranks, steel axle, and aluminum chainrings provide exceptional stiffness and optimum power transmission
– Symmetrical teeth on the internal chainring allow for fluid and precise transmission, even with extreme cross-chaining
– Chainrings are surface-treated for longer life
– Q-Factor: 145.5mm
– Design is optimized to run multiple chainring combinations
– Number of Chainrings: Double
– Chainline/Hub Compatibility: 130 Hubs, 135/142 Road Disc Hubs > 415 mm Chainstay
– Spindle Interface Type: Campagnolo Ultra-Torque
– Chainring BCD: 96
– Pedal Spindle: 9/16″
– Crank Intended Use: Road
– Drivetrain Speeds: 12
– BB Included: No
– Weight: 686