The Substance cranks from BSD. These cranks feature a 2.5 piece design which means the whole crank set can be tightened with just one 8mm bolt. The Arms are made from heat treated 4130 with a rectangle cross section for extra stiffness and a extra beefy pedal boss for strength with angled back for frame clearance. The Spindle is a heat treated, ultra hollow design with a 22mm diameter and 48 splines. Available in 165mm 170mm, or 175mm lengths in black or chrome. RHD and LHD compatible. Now comes with free installation tool.
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