Hayes Post Disc Brake Adaptor for IS Mount Rear 160mm Rotor Diameter ModelNumber=307 Rim Strip Width (mm) 21

Rim Strip Width (mm) 21

1-1/8 inch

}DT Swiss XR 391 Rim - 29" Disc Black 32H

The longer positive-rake tooth shape has been designed to work with Eagle chains to increase chain retention and overall pedaling efficiency while decreasing friction noise and wear

Hayes Post Disc Brake Adaptor for IS Mount Rear 160mm Rotor Diameter ModelNumber=307 Rim Strip Width (mm) 21Hayes Post Disc Brake Adaptor for IS Mount Rear 160mm Rotor Diameter. Disc brake adaptors to fit standard post mount brakes to a variety of fork and frame mounts. Includes mounting bolts TECH SPECS Brake Caliper Type Post Mount Mount Rotor Size Front IS 180 Rotor Mount Rotor Size Rear IS 160 Rotor Weight 24