XTR CS-M9100 12-Speed Cassette, Micro Spline


SKU: 5c2f69383980 Category:


Shimano XTR M9100 cassette features better chain retention and ground clearance. This cassette is built with a strategic application of aluminum, titanium, and steel materials for an optimal blend of weight savings, rigidity, and durability.

  • 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 lightweight aluminum freehub body to reduce weight and utilize a 10 tooth top gear
  • A “Rhythm Step” cassette featuring a tighter gear spread than the 10-51t
  • The CS-M9100 cassette meets durability requirements for E-MTB applications


  • Cassette Body Type: Shimano Micro Spline
  • Cassette Cogs: 10-12-14-16-18-21-24-28-32-36-40-45
  • Drivetrain Speeds: 12
  • Range: 10-45
  • Designed for ebike: Yes
  • Color: Black/Gray
  • Weight: 357 g
XTR CS-M9100 12-Speed Cassette, Micro Spline