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.Features-Continuously molded cogs are straighter than stamped steel, resulting in more consistent, predictable shifting performance-Precision ramps and chamfers for rapid chain movement-Compatible with and Shimano 11-speed systems-Steel lock ringItem Specifications-Cassette Body Type:Shimano/ 8, 9, 10 Speed-Cassette Cogs:11-13-15-18-21-24-28-32-36-40-46-Color:Black-Defined Color:Black-Drivetrain Speeds:11-Range:11-46