Shimano CS-HG50 Deore 10-speed cassette 11-36T. High quality Dyna-Sys 10-speed mountain bike cassette for use with 10-speed Shimano HG-X MTB chains. The sprockets on the CS-HG50 Deore cassette are cut away & drilled to reduce weight without sacrificing rigidity. The CH-HG50 cassette uses a close ration for more efficient pedalling & is nicle plated to improve it’s durability. Features High quality Dyna-Sys 10-speed cassette Close ratio gearing allows a more efficient use of energy through finer cadence control Sprockets are cut away & drilled to reduce weight without reducing rigidity Nickel-plated finish offers hard wearing resistance to corrosion Corrosion-resistant steel cassette lockring For 10-speed HG-X MTB chains