Shimano CUES BR-U6030R Hydraulic Disc Brake Caliper - Rear Flat Mount W/Fixing Bolt 25mm Mount Resin PadDesigned specifically for widely used 160mm rotors the Shimano CUES U6030 Flat Mount Hydraulic Disc Brake Caliper features an integrated design that eliminates the need for a separate adapter. Its simple and lightweight 2 piston construction ensures reliable braking performance under all conditions. Features a simple integrated design purpose built for 160mm rotors Brake Caliper Type Flat Mount Rotor Included No Brake Position Rear Color Black