they are packed full of features

Compatible with any frame that uses standard 64mm spacing bottle cage braze-ons (basically every modern frame)

these grips will be a great addition to any set of bars

Freehub: Microspline

6mm size sold as a set of 4 bolts+nuts for MTB cranks

BOX Three Prime 9 Speed Twin Lever Shifter - Black - Single Shift - 22.2mm Bar Clamp - 9 Speed PDP|PLP|Brake Rotor Type they are packed full ofBox 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