BSD BMX Substance Cranks 170mm - Flat Black


Single bolt design, 2.5pc cranks. Now in new Flat Raw and Flat Black finishes.

Key Features

  • Heat treated 4130 chromoly arms with rectangular cross section for increased stiffness.
  • Heat treated 4130 chromoly 22mm diameter CNC machined 48 spline hollow spindle.
  • Extra beefy pedal boss with angle on the back for frame clearance.
  • RHD/LHD compatible.


  • Spindle diameter: 22mm
  • Weight: 1.95lbs