Campagnolo Record 12-Speed controls are aesthetically pleasing and functional. The unidirectional carbon design offers riders two different lever-handlebar positions to adapt different size hands, maximizing control. This results in consistent power, stiffness and reliability for when you need it. Hydraulic disc brake actuation Vari-Cushion technology offers an ergonomic, comfortable and safe support and grip The ,one lever-one action, feature assigns each lever one function to prevent shifting errors Ultra-Shift mechanism enables upshifting up to three gears at a time, and downshifting a full five Disc rotor sold separately