Shimano CS-M9101 XTR Cassette (Black/Grey) (12 Speed) (Micro Spline) (10-45T)

Shimano CS-M9101 XTR Cassette (Black/Grey) (12 Speed) (Micro Spline) (10-45T)
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Shimano CS-M9101 XTR Cassette Description:

The Shimano XTR CS-M9101 Cassette features better chain retention and more precise shifting performance over the M9100. This cassette is built with a Beam Spider construction that strategically places aluminum, titanium, and steel materials for an optimal blend of weight savings, rigidity, and durability. Only compatible with Shimano's Micro Spline freehub body and Hyperglide+ 12-speed chain.


  • Compatible with Shimano Hyperglide+ chains
  • Hyperglide+ technology offers better chain engagement, stronger retention, and smoother pedaling for greater power and confidence over rapidly changing terrain
  • Micro Spline technology delivers a lightweight aluminum freehub body to reduce weight and utilize a 10-tooth top gear
  • The Wide Range XTR M9101 cassette option offers 510% gear range
  • Can only be used for 1x12 setups with the long cage rear derailleur
  • The CS-M9101 cassette meets durability requirements for E-MTB applications


  • Type: Cassette
  • Speeds: 12 Speed
  • Drive Type: Shimano Micro Spline
  • Color: Black/Grey
  • Weight: 376g (10-51T)

Sprocket Configuration:

  • 10-45T: 10-12-14-16-18-21-24-28-32-36-40-45T
  • 10-51T: 10-12-14-16-18-21-24-28-33-39-45-51T
Learn about freehub bodies and cassette compatibility

This product was added to our catalog on January 25, 2024