Shimano Disc Brake Adapter IS to Post
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.
The Fun Details:
Model: Disc Brake Adapter IS to Post (SM-MA-R160P/S)
Size: 160mm Rotor
The Racery does not accept returns on closeout items.