Shimano XT M8100 12-Speed Cassette 10-51T

Article code 192790443843
Showcasing Shimano's new revolutionary HYPERGLIDE+ technology, the new 12-speed XT CS-M8100 Cassette provides improved shifting efficiency up and down the cassette.

* To check in store availability: 

Available in store

Select variant below then view stock  here

Paired with the new Shimano MICROSPLINE freehub, you have an incredibly lightweight package that delivers industry leading performance. The high geared 10-speed cog gives you all the speed you need to sprint to the finish, and either a 51T or 45T low gear allows you to effortless ascend the steepest trails. The 51T cassette pairs with a single ring up front while the 45T cassette is compatible with a single or double chainring up front. 


  • New shift ramp designs provide the fastest, smoothest shifts by HYPERGLIDE+
  • Lighter and stiffer construction
  • Reduces cassette inertia resulting in faster acceleration and increased chain security
  • 10T lowest sprocket realized by new FREEHUB body construction


  • Definitive shifting performance
  • Wide range and close step 12-speed drivetrain