BOX Three Prime 9 Cassette - 9-Speed - 11-50t - Black For Carbon Rims in addition to black chinring

in addition to black chinring bolts

Size: 30mm

and sunny yellows galore

and the rear hub is a flip-flop which will work with 13t and larger freewheels (not included)

tougher finish

BOX Three Prime 9 Cassette - 9-Speed - 11-50t - Black For Carbon Rims in addition to black chinringThe Box Three Prime 9 cassette delivers versatile performance for riders seeking wide gear range without complexity. Steel cogs are strategically pinned to lightweight alloy spiders, while weight reducing holes minimize rotational mass. Prime 9 technology packs 12 speed range into a 9 cog setup, cutting shift points and simplifying drivetrain maintenance. Fewer components mean less weight, greater durability, and easier upkeep. Compatible with