The component with the lowest price in the REAR BRAKE ('80 KZY 50-E1) schematic is the Bolt,socket,8x30.
This part-list fiche shows all the components that make up the Kz750e1 1980 Usa Canada Rear Brake ('80 Kzy 50-e1) .
The Rear Brake ('80 Kzy 50-e1) is made up of components including this Caliper-assy,rr which is the most expensive.