Shimano CS-M7100 Cassette 10-51 SLX 12 Speed

With its Beam Spider construction, the SLX M7100 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.