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Shimano XTR CS-M9100 Cassette
Sale price
$389.99
Regular price
$389.99
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SKU: ICSM9100051 Option: 10x51 / Black
Pickup available at RA Cycles Brooklyn
Pickup available at RA Cycles Walnut Creek
Qualifying customers may be able to pay with their HSA or FSA through Flex. Flex disclosures (opens in a new tab)
Stock Availability by Location
RA Cycles Brooklyn In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
105 5th Ave, Brooklyn, NY 11217718-636-5242
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
RA Cycles Walnut Creek In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
2099 Mt Diablo Blvd, Walnut Creek, CA 94596925-433-7099
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
Distribution Center - East In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
Distribution Center - Central In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
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Shimano XTR CS-M9100 Cassette
$389.99
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
PRICE MATCH GUARANTEE
We will price match against advertised or quoted prices from other authorized dealers of the product!