Magura QM12 Adaptor 160mm Rotor on Rear IS Mounts 180mm Rotor on Front IS Mounts ModelNumber=K1240 2-piece caliper construction

2-piece caliper construction

Caliper features 2 phenolic plastic pistons for plenty of braking power

Open design promotes mud clearance

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

Largest cog is aluminum

Magura QM12 Adaptor 160mm Rotor on Rear IS Mounts 180mm Rotor on Front IS Mounts ModelNumber=K1240 2-piece caliper constructionMagura 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