MTB Cassette Sprocket. 12-Speed. Teeth: 10-51. HYPERGLIDE Plus. With its BEAM SPIDER construction, the XTR M9100 12-speed cassette shaves weight while increasing SHIMANO's MTB gearing range another gear. Using SHIMANO's new MICRO SPLINE freehub body and HYPERGLIDE+ tooth profile, these 10-45 and 10-51T cassettes deliver the best MTB shift experience on offer.
- Let you pedal continuously while shifting
- Increased acceleration by reducing inertia and weight by BEAM SPIDER construction
- New MICRO SPLINE * construction to engage FREEHUB body
- Average weight: 367 g (10-51T)
- micro Spline
- Hyperglide Plus
