Box One M30-M Cranks


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Box One M30-M Cranks

Order the Box One M30-M Cranks.  Featuring oversized 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, Box Two™ M30-M cranks fit frames with European bottom brackets, paired with the same oversized, hollow-forged arms and 104 BCD spider with a flex-resistant ring as our Box One™ M35 cranks.  Ride Box Components.

Each crankset includes a Praxis™ M30-BSA Threaded Bottom Bracket that is compatible with all BSA European style bottom brackets. For frames with BB86 or BB30/PF30 bottom bracket shells, compatible adapters can be purchased separately from Praxis ™.

  • Oversized Technology™ Hollow Forged Design
  • Oversized 30mm Alloy Spindle
  • Self-Extracting Crank Bolt System
  • Top-Load Clamp Design
  • 4-bolt 104 BCD Spider
  • External BSA 30mm BB Included
145mm 150mm 155mm
BB (Included) BSA 30mm 1.37 BSA 30mm 1.37 BSA 30mm 1.37
Spindle 30mm Alloy 30mm Alloy 30mm Alloy
Material 7075 T-6 Aluminum 7075 T-6 Aluminum 7075 T-6 Aluminum
Process Hollow-Forged Hollow-Forged Hollow-Forged
Chainline 44.5mm 44.5mm 44.5mm
Q Factor 153mm 153mm 153mm
Weight 498g/17.6oz 509g/17.9oz 518g/18.3oz

Due to the complexity of hollow-forged manufacturing, the weights may vary +/- 10%

  • Box Two Chainring
  • Box One Chromoly Chainring Bolts
  • Box One 7075 Alloy Chainring Bolts
  • Box Two Oversized bottom bracket M30

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Additional information

Weight 3 lbs
Crank Size

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