Magura QM12 Adaptor 160mm Rotor on Rear IS Mounts 180mm Rotor on Front IS Mounts ModelNumber=K1240 }SRAM Rival 1 Disc Brake

}SRAM Rival 1 Disc Brake and Lever - Left/Front Hydraulic Post Mount Black A1

2-piece caliper construction

PowerLock non-reusable connecting link is included

Caliper features 2 phenolic plastic pistons for plenty of braking power

Largest cog is aluminum

Magura QM12 Adaptor 160mm Rotor on Rear IS Mounts 180mm Rotor on Front IS Mounts ModelNumber=K1240 }SRAM Rival 1 Disc BrakeMagura QM12 Adaptor for 160mm Rotor on Rear IS Mounts or 180mm Rotor on Front IS Mounts. Disc brake adaptors designed to mate Magura disc brakes with a variety of frame mounts and rotor sizes. Includes hardware to mount adaptor to frame TECH SPECS Brake Caliper Type Post Mount Mount Rotor Size Front IS 180 Rotor Mount Rotor Size Rear IS 160 Rotor