No one knows gears shifting like Shimano, so settle for nothing less than a Shimano CS-HG500 10-Speed Cassette when your current drive train wears out of you make the move to 10 speed from an older set up. Available is a range of configurations, nothing beats Hyperglide shifting for smooth, consistent gear changes. Add a Shimano CS-HG500 10-Speed Cassette to your steed and shift away in confidence. Features: High-quality 10-speed cassette Hyperglide sprockets with computer-designed tooth configuration and contoured shift gates for smooth shifting, even under load Sprockets are cut away and drilled to reduce weight without sacrificing rigidity Nickel-plated finish provides durable resistance to corrosion Corrosion-resistant steel cassette lockring Compatible with 10-speed road HG chains Available in ratios 11-25T, 12-28T, 11-32T and 11-34T Warranty Covered by Shimano's fantastic 2 year warranty. Though extremely unlikely, should a part of the cassette fail during the warranty period then we at Biketart will handle the case for you.