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 SRAM and Shimano 11-speed systems Steel lock ring Chrome plated for hardness and corrosion resistance SPECS: Color: Silver Cassette Body Type: Shimano/SRAM 11 Speed Road Drivetrain Speeds: 11 Cassette Cogs: 11-12-13-14-15-17-19-21-24-28-32 Weight: 371g Range: 11-32