Suitable for use with BOX One M30 Cranks and BB86 frames.
- Unique steel design in which the bearing outer race is also the outer press-fit surface
- 30mm ID Drive bearing / 28mm ID NonDrive bearing
- Suits BOX ONE M30-P, ONE M30-M, & BOX Vector Two M30 cranks only*
- Suitable for BB86 (41mm ID) BMX frames
*Please note that these are NOT compatible with Box One M35, BOX Vector One cranksets