Shimano XTR SM-MA90 R160 P/S Disc Brake Mount Adaptor

Code: 4541052120

Adaptor to use a larger brake disc in combination with a Postmount fork or frame and a Postmount brake. The included washers are surface-treated (silver) and will not rust. The wire is used to fix the screw. The adapter can be used as follows:


In Stock


Fork with 160 mm mount – SM-MA-R160P/S2 for the use of a 160 mm brake disc

Frame with 140 mm mount:

SM-MA90-R160P/S for the use of a 160 mm brake disc

SM-MA90-R180P/S for the use of a 180 mm brake disc

SM-MA90-R203P/S for the use of a 203 mm brake disc

Designed for BR-M985 and BR-M988, but can be used on all Shimano 74mm-caliper brakes.