BOX Three Prime 9 Speed Twin Lever Shifter - Black - Single Shift - 22.2mm Bar Clamp - 9 Speed YGroup_7033421758509 Encased in a composite handle

Encased in a composite handle

and others

Chain tool: 8/9/10/11/12 speed

and includes a discrete clamp

The Wolf Tooth axle is tightened using a 6mm hex key

BOX Three Prime 9 Speed Twin Lever Shifter - Black - Single Shift - 22.2mm Bar Clamp - 9 Speed YGroup_7033421758509 Encased in a composite handleBox shook up the market when they introduced their wide range, 11 50T 9 speed drivetrain. The Box Three is the value option within the Prime 9 lineup. With Prime 9 you still get the wide range offered on competing 12 speed setups but with fewer shifts required to go up and down the gear range. Spend more time riding and less time tinkering with your gears on a Box Prime 9 setup. Who's this item for: Any rider wanting an 11 50T range in a 9 speed