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