Disc brakes optimized for road riding. With proven hydraulic braking technology, the new Shimano 105 BR-R7170 calipers feature the Flat Mount System and its low-profile design that is ideal for road bikes. More compact and lighter than ever, the R7170 brakes offer wide pad clearance for easy wheel removal and quiet performance as well as one-way bleeding for easy, clean maintenance. 10% wider pad clearance decreases the chance of disc brake rotor rub Maintenance-friendly bleeding process 2 Piston Rotor not included Recommended Brake Lever: ST-R7170 Recommended Disc Brake Rotor: SM-RT70 and SM-RT64 Included Brake Pad: L05A (Resin w/ fin) Optional Brake Pad (not included): L04C (Metal w/ fin) Attributes Fluid Mineral oil Brake Material Aluminum Brake Weight 123g Caliper mount Flat mount Disc Diameter Not included Primary Color Black
