Shimano XTR CS-M9100 Cassette
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Shimano XTR CS-M9100 Cassette
Shimano XTR CS-M9100 Cassette Info
The Shimano XTR CS-M9100 Cassette sits at the top of Shimano's mountain bike drivetrain lineup — a 12-speed cassette engineered to deliver clean, consistent shifts under load. The cog construction is deliberately tiered: aluminum outer cogs keep weight down, titanium mid cogs balance strength where pedaling forces are highest, and steel inner cogs handle the sustained demands of climbing and low-cadence power. The result is a 370g cassette that doesn't ask you to choose between durability and weight savings.
The wide-range gear spread — available in 10-45 or 10-51 configurations — covers everything from technical singletrack climbs to fast descents. One important compatibility note: this cassette requires a Shimano Microspline freehub. It is not compatible with standard HG or XD driver bodies, so verify your hub before ordering.
Shimano XTR CS-M9100 Cassette Specs at a Glance
- Speed: 12-speed
- Range Options: 10-45T, 10-51T
- Weight: 370g
- Materials: Aluminum (outer), titanium (mid), steel (inner) cogs
- Hub Compatibility: Shimano Microspline freehub only
