The Shimano BR-MT420 hydraulic disc brake caliper features consistent braking performance and reliable stopping power in all conditions.4-Piston, post mount caliper instills greater downhill confidence and controlIncludes D03S resin brake padsItem SpecificationsBrake Caliper TypePost MountColorBlackDefined ColorBlackHydraulic Fluid TypeMineral Oilkeyword searchMT420Pad CompoundResinRotor IncludedNo