Shimano BR R8070 Ultegra flat mount calliper, without rotor or adapter, rear

Smooth design to match the aero shape of your road bike. Sleek shape blends seamlessly into the frame Better control in all conditions Hose joint type: Straight, mineral oil, mounting type, flat mount, pad material: resin with fins (L02A-R), reference weight: 9.8 oz (280 g) (front and rear set) Perfect integration into an aerodynamic profile Shimano flat mounting system Resin pad with fins, 2 fixing bolts for 1.0 inch (25 mm) mounting thicknesses Specifications: Rear use / Brake type / High draw / Disc brake / Recommended brake lever ST-R8070/ST-R8020 / Recommended brake rotors -RT800 / Recommended brake hose -BH90-SS