Be impressed by the Shimano Deore XT Cassette Sprocket XT,11-42 CS-M8000,11-SPD, with its combination of steel and aluminum construction, nickel-plated finish, "Rhythm step" gearing, and compatibility with both Dyna-sys11 and Shimano 9/10-Speed MTB hubs. This cassette offers closer gear ratios and smoother shifting for a top-notch performance. Plus, it meets the durability requirements for E-MTB applications. You won't want to miss out on this amazing product!