Twenty21 cassettes fulfill the need for a dependable quality and impressive value cassette that is compatible with the latest 12 speed drivetrains.
Freehub Compatibility: Shimano Microspline
Tooth Count: 10-50t (10-12-14-16-18-21-24-28-32-36-42-50)
Material: High strength steel (10-42T) and 7075 Alloy(52T)
Weight: about 554g
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