The Shimano GRX BR-RX820 2-piston disc brake caliper brings a high level of control to gravel cycling with enhanced modulation and a quick initial braking point. Despite its smaller construction, the system is exceptionally quiet and easy to maintain.2-piston caliper features 10% wider pad clearance to decrease brake noiseOne-way maintenance-friendly bleeding process for quick and easy prevention of air bubbles in the hydraulic systemIncludes finned L05A pads with a resin compound for enhanced heat dissipationIncludes bracket fo 140/160 rotors (assembled for 160mm)Disc brake rotor sold separatelyItem SpecificationsBrake Caliper TypeFlat MountBrake Lever ActuationHydraulicHydraulic Fluid TypeMineral OilPad CompoundResinRotor IncludedNo Shimano GRX BR-RX820 Disc Brake Caliper Disc Brake Calipers UPC: 192790241630