Primo powerbite v2 cranksthe powerbite has been reincarnated as the powerbite 2 primo have added a new pedal insert that is pressed from both sides to eliminate any threading issues along with a new 16 spline spindle to help stiffen that junction and eliminate extra pieces features material 7075 aluminium spindle22mm spindle bolt14x1mm pinch bolts8x1 25mm sprocket bolt10x1 5mm weight984g 34 7ozbuyprimo componentsfrom chain reaction cycles the worlds largest online bike store