Hayes Post Mount Disc Brake Adaptor - For 203mm Post Mount to 220mm Rotor MFPN=RDXM4865028S011430 Color Red Defined Color Red

Color Red Defined Color Red Crown Race 30 S

25mm thick at the tooth which fits inside most narrow 6 through 9 speed chains and the pulley cage is wide enough to allow 1/8″ single speed chains as well

Bolt Mount Diameter 8 Frame Mount Width 39

Compatible with chain lines 49mm and wider including Boost 148

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Hayes Post Mount Disc Brake Adaptor - For 203mm Post Mount to 220mm Rotor MFPN=RDXM4865028S011430 Color Red Defined Color RedHayes Post Mount Disc Brake Adaptor For 203mm Post Mount to 220mm Rotor. 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 Rotor Size (mm) 220 Mount Rotor Size 203 Post 220 Rotor