Designed to mount a Sram brake calliper to your fork. The Sram disc brake mount adaptor allows you to accurately position the brake and rotor and mount up to a 203mm front rotor, Specs:
Rotor size: 203mm
Caliper: 74mm
Mount: 74mm
Fit: post mount 40mm
Sram part no: 00.5318.007.003
For use with Sram disc brakes with Post-style tabs
Forged alloy construction
Includes 2 bolts to attach adapter to the fork/frame (bolts to fix calliper onto adapter not included