Parts such as the Front Brake Panel: Spring,brake Shoe, Shoe Set,brake (nas), Bolt,recessed,5x2, Arm,fr.brake are included in the Z50r 1984 (e) Usa Front Brake Panel parts fiche.
On this parts fiche the Shoe,set.brake (nas) is the most specified component.
The Front Brake Panel assembly is constructed from several parts from which the Panel,fr.brake is the most expensive.