The Shimano SM-MA90-F203S/P is a lightweight, XTR-grade adapter designed to mount a 203mm rotor. This high-performance component allows you to interface a post-mount caliper with an International Standard (IS) mount fork.
For improved setup precision, the adapter includes conical washers to ensure perfect caliper alignment. Its weight-optimized design provides maximum braking power for mountain bike applications without unnecessary bulk.
Quick Facts
| Feature |
Specification |
| Rotor Size |
203mm |
| Mount Interface |
IS Mount (Fork) to Post Mount (Caliper) |
| Position |
Front |
| Caliper Compatibility |
Works with all post-mount calipers |