Shimano Adapters for XTR Post Type Calipers

- Lighter, XTR-grade caliper adapters
- Includes conical washer for better caliper alignment
- Works with all post mount calipers

Legend : SM-MA90-F203S/P :
- Position :
- F: Front
- R: Rear
- 203 : Rotor size
Caliper type:
- S: Int-A-standard
- P: Post
Suspension/frame type:
- S: Int-A-standard
- P: Post
- B: Boxxer
- Z: Marzocchi 20mm