microSHIFT's H11 cassettes are manufactured to exacting tolerances for straightness, shift quality, and durability, resulting in responsive shifting performance that lasts longer than you might expect.Sprockets are ED coated for added durabilityContinuously molded cogs are straighter than stamped steel, resulting in more consistent, predictable shifting performancePrecision ramps and chamfers for rapid chain movementCompatible with SRAM and Shimano 11-speed systemsSteel lock ringItem SpecificationsCassette Body TypeShimano HGCogs11-13-15-17-19-21-24-28-32-36-42ColorBlackDefined ColorBlackDrivetrain Speeds11Range11-42Weight557 microSHIFT H11 11-Speed Cassette Cassettes UPC: 657993146293