Pédalier 2x11V SHIMANO XTR FC M9020 B Tooth profile:34 24 The various Campagnolo brake callipers combined with tool free The various Campagnolo brake callipers have been designed to be mounted in combination with the disc chosen by the user to always ensure high level performance: it is indeed possible to choose between the brake calliper with a disc of 140 (reserved for cyclists weighing no more than 82 kg) or 160 mm in diameter thanks to its high moisture wicking Roubaix fabric Please note: this crankset requires a frame compatible with an E Type or direct mount front derailleur The HOLLOWTECH II construction with a fixed 24 mm axle ensures an excellent balance of stiffness and lightness