Available in a plethora of gearing options to fit any 10-speed road or mountain bike with performance that rivals high-end models. FEATURES: Forged alloy spider holds largest cogs Heat treated steel cogs Steel lockring SRAM 10 and 11 speed cassettes with 11 tooth cogs have the smallest cog located behind the cassette in the packaging SPECS: Color: Silver Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed Drivetrain Speeds: 10 Cassette Cogs: 11-12-13-14-15-17-19-22-25-28 Weight: 256 Range: 11-28