BOX THREE PRIME 9 CASSETTE 9-SPEEDA Great All-Around Cassette Option If you want an easier time climbing and pedaling through demanding terrain, look no further than an upgraded cassette. A cassette with more teeth will make climbing a breeze. The Box Three Prime 9 Cassette is a great all-around cassette option. All the cogs are stamped from steel and subsequently, the larger ones are pinned to alloy spiders. It also features weight-reducing holes on the cogs. Features Prime 9 technology offers the same range as a 12-speed drivetrain with fewer gear shifts Constructed using a standard freehub body Ultra-wide ratio with consistent progressions Specifications Cassette Body Type Shimano/SRAM 8, 9, 10 Speed Cassette Cogs12-14-16-18-22-28-34-42-50Drivetrain Speeds9Cassette Material Steel Weight- | Box Components | Box Three Prime 9 Cassette 9-Speed 9-Speed, 11-50T