Box Three Prime 9 Speed Groupset - Single Shift - X-Wide 12-50T - 9 Speed PLP|EMTB Optimised Pros: Consistent and reliable XC

Pros: Consistent and reliable XC or trail brakes

BR-M9120 - XTR

Shims - Included with rings

Includes 1 x 16g CO2 cartridge

Box Three Prime 9 Speed Groupset - Single Shift - X-Wide 12-50T - 9 Speed PLP|EMTB Optimised Pros: Consistent and reliable XCThe 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