Primo put a little thought in to the Primo Pro Chromoly cranks. With a 22mm heat treated spindle and wrap welded pedal and spindle bosses these things are going to be hard to break. Primo even wet as far as shaping the arm a little different than most to help prevent denting. Good stuff!
- 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)
