Box Three Prime 9 Speed Groupset - Single Shift - X-Wide 12-50T - 9 Speed PLP|EMTB Optimised Garmin Forerunner 405CX

Garmin Forerunner 405CX

Amino Glutamine increases glycogen storage

Can be accurately used with the tyre still mounted on the wheel

With the potential to be upgraded to carry four bikes

Box Three Prime 9 Speed Groupset - Single Shift - X-Wide 12-50T - 9 Speed PLP|EMTB Optimised Garmin Forerunner 405CXThe 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