Shimano Deore 10 51t 12 Speed Cassette Microspline

Hyperglide+ provides fast and smooth shifting Beam Spider construction cuts weights and boosts stiffness Shimano Microspline fitment (does not fit HG or SRAM XD) 10-51T wide range 12-speed gear combination Cross compatible with M7100 SLX, M8100 XT and M9100 XTR