Primoput 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:10x1.5mm (x1) / 8x1.25mm Nano (x1)
- Weight:33.2 oz (w/o BB)