Super 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 actuationVari-Cushion technology offers an ergonomic, comfortable and safe support and gripThe "one lever-one action" feature assigns each lever one function to prevent shifting errorsUltra-Shift mechanism enables upshifting up to three gears at a time, and downshifting a full fiveDisc rotor sold separately