Enhancing rider capabilities and providing more gearing combinations, the Shimano XTR M9100 12 Speed Cassette features two options to cover the diverse needs of elite level mountain bike riders and racers. The 12-speed cassette features Shimano's new MICRO SPLINE freehub technology that allows the use of 10-tooth cogs. The new design also allows for an aluminum freehub body construction that isn't damaged or gouged out by the cogs during use. The cassettes employ a new Beam Spider construction for improved power transfer, and are built with a strategic application of aluminum, titanium, and steel materials for an optimal blend of weight savings, rigidity, and durability. Building on Shimano's long history of shifting technology, the XTR M9100 delivers groundbreaking advancements in drivetrain performance with the introduction of HYPERGLIDE+. The newly redesigned CS-M9100 cassette guides the chain both up and down the cassette, providing faster, smoother shifting in both directions.
MICRO SPLINE Gear Ranges:
10-51 Tooth 12-speed Wide Range offers 510% gear range
10-45 Tooth 12-speed Rhythm Step offers 450% gear range
Weight: 10x51 - 367 grams, 10x45 - 357 grams
One coupon per order
Discount taken off MSRP for normal items
Custom kit pricing is complicated so we take the discount off the current build price
In stock items only
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Some items are restricted
Groupsets, hand built wheels, special orders & labor costs are excluded from the coupon.
Additional exclusions may apply.