They can make a bit more noise though

Openings for easy pad removal

Compatible with 180

easy and comfortable Roc Loc Sport fit system

and 10 mm sizes

Box Three Prime 9 Speed Groupset - Multi Shift - X-Wide 11-50T - 9 Speed PLP|Model Year They can make a bitThe 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