Shimano Ultegra R8170 Di2 Shift Hydraulic Brake Lever & Caliper Trek S41086e39cdba44859d820a6c0ab378e0X.jpg SHIMANO Ultegra BR R8170 Disc Brake Caliper Bleed screw cap 2 Piston SHIMANO ULTEGRA BR R8170 Hydraulic Disc Brake Caliper ULTEGRA R8100. Experience unparalleled control on your rides with the Shimano Ultegra BR 8170 Hydraulic Disc Brake Caliper. Designed for precision and ease, this caliper enhances your cycling performance while ensuring a quiet and maintenance friendly experience. Wider pad clearance reduces brake noise for a smoother ride Maintenance friendly bleeding process for hassle free upkeep Flat mount design ensures compatibility with various bike frames Constructed with high quality materials for durability and reliability Compatible with 140 160mm rotors for versatile braking options This brake caliper is ideal for road cyclists seeking improved modulation and responsiveness. Its compact design allows for easy installation and maintenance, making it a perfect choice for both casual and competitive riders. Details: Brake Lever Actuation: Hydraulic Rotor Included: No Brake Caliper Type: Flat Mount Color: Black Hydraulic Fluid Type: Mineral Oil Pad Compound: Resin Brake Position: Front Defined Color: Black