Box Three Prime 9 Speed Groupset - Multi Shift - Wide 11-46T - 9 Speed Heavy/Bulky It works with Hollowtech II

It works with Hollowtech II and 2 piece cranks

Thread the desired amount of tokens on the bottom of the top cap and snug with 8mm Allen

family members

The large platform combined with the natural 'step-in' motion and wide float angle make the MX-4 an unrestrictive pedal to use and encourage an easy but positive cleat engagement that is both secure and comfortable

the tread opens up to give you confidence in the dustiest most blown out of corners

Box Three Prime 9 Speed Groupset - Multi Shift - Wide 11-46T - 9 Speed Heavy/Bulky It works with Hollowtech IIThe 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