SHIMANO DEORE – 12-Speed – HYPERGLIDE – MTB Cassette Sprocket With its BEAM SPIDER construction, the new SHIMANO DEORE M6100 12-speed cassette shaves weight while increasing SHIMANO’s MTB gearing range to another gear. Using SHIMANO’s new MICRO SPLINE freehub body and HYPERGLIDE tooth profile, the 10-51T cassette delivers advanced shifting performance. FEATURES Trickle-down technologies at their best HYPERGLIDE provides fast and smooth shifting BEAM SPIDER construction cuts weights and boosts stiffness 10-51T wide range 12-speed gear combination
