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CASSETTE SPROCKET, CS-M8100-12, DEORE XT, 10-51T, 12-SPEED (HYPERGLIDE+), 10-12-14-16-18-2 1-24-28-33-39-45-51T
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CASSETTE SPROCKET, CS-M8100-12, DEORE XT, 10-51T, 12-SPEED (HYPERGLIDE+), 10-12-14-16-18-2 1-24-28-33-39-45-51T

$164.99
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The Shimano Deore XT CS-M8100 12-speed cassette is optimized with rider-tuned wide range and close step gear combinations for MTB excellence.
Estimated delivery 2-5 days
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CASSETTE SPROCKET, CS-M8100-12, DEORE XT, 10-51T, 12-SPEED (HYPERGLIDE+), 10-12-14-16-18-2 1-24-28-33-39-45-51T
Product Details
UPC: 192790000000
Brand: Shimano

Fancy drivetrains like XTR may get the first hit of sleek new technology, but fortunately for us, Shimano doesn't lag when it comes to trickling the tech through the lineup, which is easy to see with the new XT CS-M8100 12-Speed Cassette. The new 12-speed XT cassette comes with a complete makeover from its 11-speed predecessor, with Shimano's new Beam spider for weight reduction and better power transfer, balancing aluminum and steel for the perfect blend of rigidity, durability, and weight savings throughout. Shimano's new 12-speed cassettes are available with two different gearing options — the 10 - 51-tooth Wide Range option, for a massive gear range that gets you up the steepest fire roads with ease, while maintaining serious power for hammering to the front of the pack, or the Rhythm Step cassette with a 10 - 45-tooth range, designed to give more options for those of us who struggle to find the perfect gearing on a ride, or want the flexibility to run one-by or two-by cranks. Both cassettes are designed to offer the best mountain bike shifting available, with redesigned chain plates and shift ramps that pair together to guide the chain up and down the cassette with faster, smoother shifting, and better engagement to reduce the chance of dropped chains. With the stretched cassette range, Shimano needed to craft a new freehub design to accommodate the smaller 10-tooth cog that wouldn't fit on the previous HG freehub, and so the Micro Spline freehub was born. Micro Spline works seamlessly pairs with the new cassette, and drops weight down, while keeping engagement precise and snappy. It's built from aluminum, and features smaller, more widely distributed splines that limit cog damage for long-term use and durability. While the XT cassette packs the same gear ranges as its XTR sibling, its construction skips the featherweight titanium, so it does scale in a little bit heavier than its partner. 

  • Shift ramp designs provide fast and smooth shifts by HYPERGLIDE+ technology
  • Light and stiff construction reduces cassette inertia resulting in faster acceleration and increased chain security
  • Designed with a Shimano Micro Spline body that features smaller and more widely distributed splines to limit cog damage on freehub
  • The CS-M8100 cassette meets durability requirements for E-MTB applications
 
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