CS-G11 cassettes combine microSHIFT's continuously molded cogs with a CNC machined aluminum spider to deliver rapid precise shifting at a lower weight.Continuously molded cogs are straighter than stamped steel resulting in more consistent predictable shifting performanceCNC machined aluminum alloy spider carrier saves weightPrecision ramps and chamfers for rapid chain movementCompatible with SRAM and Shimano 11-speed systemsAluminum lock ring Range 11-25, 11-28, 11-32, 11-42, 11-46 Cassette Body Type Shimano HG, Shimano HG 11/12-Speed Road Drivetrain Speeds 11 Color Black, Chrome, Silver Defined Color Black, Silver Cogs 11-12-13-14-15-16-17-19-21-23-25, 11-12-13-14-15-16-17-19-21-24-28, 11-13-15-17-19-21-24-28-32-36-42, 11-13-15-18-21-24-28-32-36-40-46 Weight 279, 285, 442