Shimano's SM-MA-R160-PD Rear Flat Frame Mount Adapter enables post type disc callipers to be mounted to a rear frame with 160mm rotors and is an Interchangeable, precision engineered disc mount part.

Specifications
Shimano Post to Rear Mount Disc Brake adaptor
Compatible with 160mm rotors
Precision engineered disc caliper mount adaptor
Interchangeable
Mounting accessories included

Mfr Claimed Weight
TBC