Lightweight wide-range mountain cassette compatible with HG 8-11sp freehub bodies. 7075 aluminum 42t and 50t cogs, all other cogs are steel.7 cogs on 2 aluminum spiders, plus aluminum lockring and spacers. Shimano and SRAM 11 Speed compatible. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Cassettes, Freewheels & Cogs". The seller is "masherz" and is located in this country: US. This item can be shipped worldwide.