BSD Substance Cranks (Flat Black) Size and Color:170mm Flat Black Heat treated Cr-Mo Steel

Heat treated Cr-Mo Steel

Fat Pivotal seat

Sized and dimensioned specifically for BMX 20"

hexagonal pin shape

Backsweep: 11°

BSD Substance Cranks (Flat Black) Size and Color:170mm Flat Black Heat treated Cr-Mo SteelThe BSD Substance cranks are fully heat treated 4130 chromoly 2. 5 piece cranks, using a clean single bolt design. Crafted from heat treated 4130 chromoly, the arms boast a rectangular cross section, enhancing rigidity and durability. The 22mm diameter, heat treated 4130 chromoly spindle is CNC machined with a 48 spline, hollow design for optimal strength and weight reduction. Extra beefy pedal boss with an angled rear for improved frame clearance.