Cassette. 12-Speed. 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.
- BEAM SPIDER
- MICRO SPLINE
- Type: HYPERGLIDE+
- 10-12-14-16-18-21-24-28-32-36-40-45T
- Average weight: 461 g (10-45T)
