Shimano DEORE XT M8100 12-Speed Cassette 10-51T Black/Silver Sunshine_Enriched padded ballistics nylon along the

padded ballistics nylon along the tube sections

Extended inner plate improves chain engagement and retention

Cadence sensor

grease and grime on metal

Shimano DEORE XT M8100 12-Speed Cassette 10-51T Black/Silver Sunshine_Enriched padded ballistics nylon along theWith 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+ BEAM SPIDER Lighter and stiffer