A sample from the products for the Rear Wheel include: Washer Plain 6mm, Washer,spring,6mm, B/brg Rad N/com, Nut,hex 6mm.
This schematic depicts all components used in the Z50r 1991 (m) Usa Rear Wheel partslist.
The Rear Wheel assembly is constructed from several parts from which the Hub,rr.wh*nh-138* is the most expensive.