SRAM PowerGlide II PG-830 8-Speed Cassettes fit Shimano-compatible freehub bodies.Shimano-compatibleItem SpecificationsColorChromeWeight300gIntended UseMountainCassette SpacingShimano/SRAM 8Cassette Body TypeShimano 8Cassette Cogs11,13,15,17,20,23,26,30Number of Speeds8Chain Compatibility3/32"Range11-30