Sunrace mx3 10 speed shimano sram cassettethis sunrace mx3 10 speed shimano sram cassette is an ideal solution for riders who want to run a 1x10 setup and need a little more at the bottom end dont want to resort to an expensive expander sprocket and want an even and smooth shift between all sprockets ascend with ease and enjoy the wide gear range with this sunrace mx3 10 speed shimano sram cassette featuresmaterial alloy lockring spacers spider carriers6 sprockets on 2 alloy spider