- Featuring beefy hollow-forged crank arms and a massive 30-millimeter Praxis M-30 spindle cold-forged from 7075 aluminum and precision ground to extremely tight tolerances, the Box One M30-M Crankset is the absolute stiffest junior BMX crankset available today
- A precision CNC-machined chromoly/alloy self-extracting crank bolt system makes installation and removal a snap
- Includes Praxis External BSA Bottom Bracket and M30 installation tool
Specifications:
- Type:
- Length / Teeth:155mm
- Spindle Type:BLK
- Color:BLK
- Bolt Pattern:104mm 4-bolt
- Weight:498g
- Speed:1
- Spacing