Disc brake rotors
Shimano Shimano RT-MT900 Disc Brake Rotor
180 mm · Center Lock · internal lockring
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 brake-caliper and rotor compatibility C-461ManufacturerSource checked Jul 30, 2026Evidence reviewed Jul 30, 2026
- Shimano current complete component catalogManufacturerSource checked Jul 30, 2026Evidence reviewed Jul 30, 2026
- Shimano thick-rotor technical storyManufacturerSource checked Jul 30, 2026Evidence reviewed Jul 30, 2026
Technical data
Specifications
- Brake pad materials
- Metal, Resin
- Supported positions
- Front, Rear
- Rotor mount
- Center Lock
- Center Lock lockring
- Internal Spline
- Rotor diameter
- 180 mm
- Rotor thickness
- 1.75 mm