BSD Substance cranks

Empire Bmx Verified independent store

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single bolt design 2.5-pc cranks heat-treated 4130 cromo arms with rectangular cross section for increased stiffness heat-treated 4130 cromo 22mm CNC-machined 48-spline hollow spin dle extra beefy pedal boss with angle on the back for frame clearance 1.95 lbs - - - - - compatible with:bolt-drive sprockets with 15/16" / 24mm bore (with 22mm adapter)bolt drive sprockets with 22mm bore22mm spline drive sprockets (on left side only) Show more