The Pin-cotter,4.0x40 is the lowest priced item on this Rear Hub schematic.
Some items from this specific schematic: Wheel-assy,rr,g.black, Bearing-ball,6204uuc3, Collar,rr Axle,rh,l=1, Nut,18mm.
The Kawasaki REAR HUB has twenty-three products enlisted in the schematic.