The Shimano Deore XT CS-M8100 12-speed cassette is optimized with rider-tuned wide-range and close step gear combinations for MTB excellence.

- 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
- Cassette Body Type: Shimano Micro Spline
- Cassette Cogs: 10-12-14-16-18-21-24-28-33-39-45-51
- Drivetrain Speeds: 12
- Range: 10-51