Twenty21 cassettes fulfill the need for a dependable quality and impressive value cassette that is compatible with 11 speed drivetrains.
Freehub Compatibility: Shimano HG
Tooth Count: 11-50t (11-13-15-17-19-21-24-28-32-36-42-50T)
Material: High strength steel (11-42T) and 7075 Alloy(50T)
Weight: about 608g
Colour: Silver w/black alloy sprocket and red body