H92 9-speed cassettes are nickel plated for durability, and constructed using the same processes as microSHIFT's higher end cassettes, resulting in rapid, responsive shifting at an affordable price. Nickel plated. 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 9-speed systems. Steel lock ring. Item Specifications: Cassette Body Type:: / 8, 9, 10 Speed, Cassette Cogs:: 11-12-13-15-17-19-21-24-28, Drivetrain Speeds:: 9, Range:: 11-28, Weight:: 276g,