The Ultegra BR-R8170 disc brake caliper brings a new level of control to the road cycling world with enhanced modulation and a quicker initial braking point. Despite its smaller construction, the system is quiet and easy to maintain. FEATURES: Wider pad clearance decreases brake noise Maintenance-friendly bleeding process SPECS: Rotor Included: No Pad Compound: Resin Color: Black Hydraulic Fluid Type: Mineral Oil Brake Lever Actuation: Hydraulic Brake Caliper Type: Flat Mount