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 Wider pad clearance decreases brake noise Maintenance-friendly bleeding process Hydraulic Fluid Type: Mineral Oil Brake Lever Actuation: Hydraulic Pad Compound: Resin Brake Caliper Type: Flat Mount Color: Black