Shimano Disc Brake Mounting Adapter Rear SM-MA-R 160mm Disc Brakes Mount

New Shimano Disc Brake Mount Adapter - Shimano 160mm rear Disc Brake Mount Adapter. -The Shimano SM-RA-R160 disc brake mount adaptor allows a 74mm rear post-type caliper to bolt to a chainstay with 51mm bolt width that takes a 160mm rotor.   FEATURES: -Shimano Disc Brake Mount Adapter (SM-MA-R160 P/S) - Rear Only 160mm - Caliper Type: 74mm Post Mount - Mount Tab: 51mm IS - 160mm Rotor Only - Mfg Claimed Weight: 20g - BR8916 - 280814 - 12309 - 689228108158 - For A Variety of Lever and Brake Sets, Please Visit our Store!