A sample from the products for the Rear Wheel include: Nut, Flange(24y), Brg,r-b 6203rs 40mm 63.3g Ky, Ybs67-5 Washer, Spring, Brake Shoe Set (nas).
The Ybs67-5 Washer, Spring is the lowest priced item on this Rear Wheel schematic.
The Rear Wheel assembly is constructed from several parts from which the Cast Wheel, Rear is the most expensive.