The Sunrace MX3 10 speed cassette is a cost effective upgrade or replacement cassette. Features: Alloy spiders, lockring and spacers Specs: Drivetrain Speeds10 ColorSilver Cassette Body TypeShimano/SRAM 8, 9, 10 Speed Cassette Cogs11-13-15-18-21-24-28-32-36-42 Range11-42 Defined ColorSilver
