Key benefits - Wide gearing range for versatile riding: 9-speed cassette with 11-32T, providing tall top gear and comfortable climbs. - Durable construction: high-strength steel with a nickel-plated finish offers good wear resistance and corrosion protection. - Smooth, reliable performance: high precision internal thread ensures a close hub connection for smooth rotation and easy maintenance. - Weight optimized without sacrificing rigidity: hollowing technology reduces weight to improve riding comfort. - Clear compatibility guidance: designed to work with Shimano and SRAM transmission systems within the specified compatibility constraints. Specifications - Type: 9-speed cassette - Cogs: 11-13-15-17-19-21-24-28-32T - Weight: 12.38 oz Materials - Core: high-strength steel - Finish: nickel-plated to resist corrosion and wear Details - High precision internal thread for a secure connection with the bicycle hub - Smooth rotation and easy maintenance - Hollowing technology reduces weight while maintaining rigidity - weight:12.38oz Compatibility - Suitable for Road bike, MTB, BMX and so on - Compatible with Shimano (but SLX, Micro Splin Incompatible) - Compatible with SRAM (but Sram XD, XDR, GX, X01, X11 Incompatible) - Compatible with Shimano and SRAM transmission systems Use scenarios - Upgrading a road bike for improved shifting range on hilly commutes and weekend rides - Equipping an MTB for better climbs and versatile trail performance - Restoring or building a BMX setup that requires a reliable 9-speed cassette with broad gearing options