The Story
The Shimano SM-MA90 is a lightweight magnesium adapter designed for post-mount to post-mount interfaces. It offers a high-performance, low-weight solution for upgrading rotor sizes while maintaining precise caliper alignment.
This adapter is required to run a 180mm rotor on 160mm mounts, or a 160mm rotor on 140mm mounts. It features a natural finish and is compatible with both front and rear applications.
Quick Facts| Feature | Specification |
|---|---|
| Material | Magnesium Body |
| Mounting Type | Post Mount to Post Mount (P/P) |
| Rotor Size Support | 180mm (from 160mm mount) or 160mm (from 140mm mount) |
| Placement | Front and Rear Compatible |
| Brand | Shimano |
Description
The Shimano SM-MA90 is a lightweight magnesium adapter designed for post-mount to post-mount interfaces. It offers a high-performance, low-weight solution for upgrading rotor sizes while maintaining precise caliper alignment.
This adapter is required to run a 180mm rotor on 160mm mounts, or a 160mm rotor on 140mm mounts. It features a natural finish and is compatible with both front and rear applications.
Quick Facts| Feature | Specification |
|---|---|
| Material | Magnesium Body |
| Mounting Type | Post Mount to Post Mount (P/P) |
| Rotor Size Support | 180mm (from 160mm mount) or 160mm (from 140mm mount) |
| Placement | Front and Rear Compatible |
| Brand | Shimano |
