Shimano SM-MA90-F203P/PM Disc Brake Adaptor - 180mm Post Mount Fork/Frame to 203mm Disc Brake Rotor. Shimano Disc Brake Adaptors allow the use of different sized rotors to your frame or fork.
- TECH SPECS
| Brake Caliper Type | Post Mount |
| Mount | Rotor Size | 180 Post | 203 Rotor |