The Pin-cotter,4.0x35 is the lowest priced item on this Rear Hub schematic.
A sample from the products for the Rear Hub include: Chain,drive,ek520sr-o, Damper,rr Hub Shock, Pin-cotter,4.0x35, Collar,17x35x13.
The Rear Hub is made up of components including this Wheel-assy,rr,g.black which is the most expensive.