Shimano XT CS-M8100 10-51 12 Speed Cassette collection_power-meters X-Horizon: This rear derailleur’s “straight

X-Horizon: This rear derailleur’s “straight parallelogram” design limits all movement to the horizontal axis

material suppliers

Series: Altus M2000 Series

2)Engineered for fit

Shimano XT CS-M8100 10-51 12 Speed Cassette collection_power-meters X-Horizon: This rear derailleur’s “straightAbout Shimano XT CS M8100 10 51 12 Speed CassetteWith 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. FeaturesDefinitive shifting performance New shift ramp designs provide the fastest, smoothest shifts