18 and 19.5mm pistons driving 50% more power than the Code series brake Maven Base’s lever body houses Directlink, which translates rider input for a smooth application of power Intended to be used with the 1-piece CenterLine rotors Designed for use with Maxima mineral brake oil 950mm front/2000mm rear hose length Rotor and adapter sold separately Weights listed are for one complete brake without rotor or adapter