Box Three Prime 9 Speed Groupset - Multi Shift - Wide 11-46T - 9 Speed Envelope Shipping The single-layer palm and lightweight

The single-layer palm and lightweight materials provide outstanding breathability and bar feel

Great in all weather conditions

interchangeable among different Shimano groupsets

4 size allows you the have extra cushion on harsh landings and helps reduce pinch flats at the same time

Box Three Prime 9 Speed Groupset - Multi Shift - Wide 11-46T - 9 Speed Envelope Shipping The single-layer palm and lightweightThe 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