Like all Box 31.8 bars, Box One features Box’s proprietary Maximus Tapered Butting and fit Box Delta and Hollow 31.8 stems, as well as Promax Impact and Banger 31.8 stems.
- Custom and proprietary 13-butted Maximus Tapered 4130 chromoly tubing
- 31.8 stem clamp area for maximum stiffness
- 8” available in black powder coat