Box Three Prime 9 Speed Groupset - Multi Shift - Wide 11-46T - 9 Speed YGroup_7033444892717 Head: Thumb lock and integrated

Head: Thumb lock and integrated dust cap

ME05: EVO+

Integrated Pad Eject System

Perfect to remove lube

Box Three Prime 9 Speed Groupset - Multi Shift - Wide 11-46T - 9 Speed YGroup_7033444892717 Head: Thumb lock and integratedThe Prime 9 range of components from Box has made many people rethink what a 9 speed drivetrain is capable of. Providing riders with all the range of a 12 speed setup but without the complexity, weight, and excessive shifting, Prime 9 drivetrains are also far more affordable. You can ride them hard and not shed so many tears when something inevitably wears out or breaks. Box Three is their best all rounder drivetrain that offers excellent performance