Shimano Ultegra BR-8170 Hydraulic Disc Brake Caliper - Front, Flat Mount, For 140/160mm Rotor, Finned Resin Brake PadsThe 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 Product Specifics Brake Lever Actuation: Hydraulic Rotor Included: No Brake Caliper Type: Flat Mount Color: Black Hydraulic Fluid Type: