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