Patented Aither Technology

All you need is a speed sensor

lightweight tire with an excellent value for recreational riders

Available in 26" and 29" sizes

it’s also backwards compatible for the 10-50t versions

Shimano DEORE XT M8100 12-Speed Cassette 10-51T Black/Silver can be discounted Patented Aither TechnologyWith 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