Brakes
Shimano Shimano XTR BR-M9120 Brake Caliper
4-piston post mount · front or rear
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
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Catalog trust
Evidence and freshness
Technical-source dates and retailer offer checks are separate. A retailer check does not validate compatibility.
Report a correction- Technical review
- Jul 30, 2026
- Compatibility review
- Reviewed Jul 30, 2026
Approved technical sources
- Shimano MTB hydraulic disc-brake specificationsManufacturerSource checked Jul 30, 2026Evidence reviewed Jul 30, 2026
- Shimano current MTB component ordering catalogManufacturerSource checked Jul 30, 2026Evidence reviewed Jul 30, 2026
- Shimano disc brake caliper and rotor compatibility C-461ManufacturerSource checked Jul 30, 2026Evidence reviewed Jul 30, 2026
- Shimano hydraulic brake hose compatibility C-186ManufacturerSource checked Jul 30, 2026Evidence reviewed Jul 30, 2026
Technical data
Specifications
- Supported brake control interfaces
- Hydraulic Mineral Oil
- Compatible brake hoses
- Sm-Bh90-Sbm
- Compatible rotor models
- Rt-Mt900
- Brake pad materials
- Metal, Resin
- Brake pistons
- 4
- Supported positions
- Front, Rear
- Brake mount
- Post Mount
- Supported rotor diameters
- 140 mm, 160 mm, 180 mm, 203 mm