Primo Pro Crank 175mm Black – 21-091A

The Primo Pro Crank is made of heat treated chromoly and features a 3 piece design with dent prevention in mind. Specifications: Spindle: 22mm Hollow Chromoly Spindle Bolts: 15x1mm Hollow Flush Mount (x2) Spindle Splines: 48 Sprocket Bolt: 10×1.5mm (x1) / 8×1.25mm Nano (x1) Weight: 33.2 oz (w/o BB)