Wide-ranged H103 10-speed cassettes featuring an ED black coating, and are constructed using the same processes as microSHIFT's higher end cassettes, resulting in rapid, responsive shifting at an attractive price.Features-ED black coating-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 10-speed systems-Steel lock ringItem Specifications-Cassette Body Type:Shimano/ 8, 9, 10 Speed-Cassette Cogs:11-13-15-18-21-24-28-32-36-42-Drivetrain Speeds:10-Range:11-42-Weight:536g