Box One M30-M Crankset

Featuring beefy hollow-forged crank arms & a massive 30-millimeter Praxis™ M-30 spindle cold-forged from 7075 aluminum & 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 & removal a snap.Each crankset includes a Praxis™ M30-BSA Threaded Bottom Bracket that is compatible w/ all European style bottom brackets. BB86 or BB30/PF30 compatible adapters can be purchased separately from Praxis™. Material 7075-T6 Aluminum Length 145, 150, or 155mm BCD 104mm Finish Matte black w/ laser-etched graphics Q Factor 153mm Includes: Praxis™ External BSA Bottom Bracket M30 BB installation tool