Post bracket Shimano

Shimano's 180mm black front or rear post mount brake brackets for disc calipers. Suitable for post-mount calipers, these adaptors fit a 180mm rotor for improved brake performance and durability.

This Shimano Unisex's SMMAR180PSA Bike Part is a black, one-piece rear brake caliper adapter designed for international frame rear I.S. mount bikes with a measurement of 180mm. It fits post type callipers and provides secure disc brake installation.

Interchangeable, precision engineered disc calliper mount adapter - For post type disc callipers to be mounted to international standard front forks with 160 mm disc rotors - Durable