With its BEAM SPIDER construction, the new SHIMANO DEORE XT M8100 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 advanced shifting performance.
Definitive shifting performance
New shift ramp designs provide the fastest, smoothest shifts by HYPERGLIDE+
Lighter and stiffer construction
Reduces cassette inertia resulting in faster acceleration and increased chain security
10T lowest sprocket realized by new FREEHUB body construction