
- Box Two™ External bottom brackets feature cold-forged and CNC-machined alloy cups, dual-labyrinth bearing covers and precision sealed bearings
- Only compatible with Box One M30, Box Two M30 or Praxis M30 cranksets
- Shell: 68/73mm
- Interface: ENG
- Spindle Type: Box/Praxis 30mm
- Cup Material: 6061-T6
- Weight: 105g
