The BSD Substance Crank XL are single bolt design, 2.5pc cranks in Flat Black finishes. Heat-treated 4130 chromoly arms with a rectangular cross-section for increased stiffness and 22mm diameter CNC machined 48 spline hollow spindle. Extra beefy pedal boss with an angle on the back for frame clearance.
SPECIFICATIONS
- Material: Heat treated 4130 chromo
- Length: 165mm / 170mm
- Spindle diameter: 22mm
- Weight: 1.95lbs
- RHD/LHD compatible






















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