Box Three Prime 9 Speed Groupset - Multi Shift - Wide 11-46T - 9 Speed Envelope Shipping Cross X elastic compression design

Cross X elastic compression design on back

interchangeable among different Shimano groupsets

WEIGHT - 322g

neoprene support pad with zip ties (B-RAD 3 and 4 only)

Height 120mm

Box Three Prime 9 Speed Groupset - Multi Shift - Wide 11-46T - 9 Speed Envelope Shipping Cross X elastic compression designThe 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