SRAM CassettesForged alloy spider holds largest cogsHeat treated steel cogsSteel lockringItem SpecificationsColorChromeWeight302gIntended UseRoad,RoadCassette SpacingSRAM 10,Shimano RD 10Cassette Body TypeShimano 9/10/SRAMCassette Cogs11,12,13,15,17,19,22,25,28,32Number of Speeds10Chain CompatibilityShimano 10,SRAM 10Range11-32