Cassettes
Shimano Shimano XTR M9100 CS-M9101-12 Cassette
12-speed 10-45T
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 29, 2026
- Compatibility review
- Reviewed Jul 29, 2026
Approved technical sources
- Shimano MTB cassette specificationsManufacturerSource checked Jul 29, 2026Evidence reviewed Jul 29, 2026
- Shimano MTB rear drivetrain compatibility C-433ManufacturerSource checked Jul 29, 2026Evidence reviewed Jul 29, 2026
- Shimano current MTB component ordering catalogManufacturerSource checked Jul 29, 2026Evidence reviewed Jul 29, 2026
Technical data
Specifications
- Compatible freehub drivers
- Micro Spline
- Freehub fit
- Micro Spline: direct
- Speeds
- 12-speed
- Supported speeds
- 12-speed
- Smallest cassette cog
- 10T
- Largest cassette cog
- 45T
- Cassette combination
- 10-45t
- Cassette cogs
- 10T, 12T, 14T, 16T, 18T, 21T, 24T, 28T, 32T, 36T, 40T, 45T
- Drivetrain family
- Shimano XTR M9100 mechanical 12-speed
- Compatible chain families
- Shimano HG 12-speed