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Cassettes
Shimano Deore XT CS-M8100-12 Cassette
12-speed 10-51T
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
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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 28, 2026
- Compatibility review
- Reviewed Jul 28, 2026
Approved technical sources
- Shimano MTB cassette specificationManufacturerSource checked Jul 28, 2026Evidence reviewed Jul 28, 2026
- Shimano cassette and freehub compatibility C-731ManufacturerSource checked Jul 28, 2026Evidence reviewed Jul 28, 2026
- Y's Road CS-M8100-12 exact Shimano package identityRetailerSource checked Jul 28, 2026Evidence reviewed Jul 28, 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
- 51T
- Cassette combination
- 10-51t
- Cassette cogs
- 10T, 12T, 14T, 16T, 18T, 21T, 24T, 28T, 33T, 39T, 45T, 51T
- Drivetrain family
- Shimano HG 12-speed
- Compatible chain families
- Shimano HG 12-speed