In this schematic the "Shoe Comp.,brake (nas)" is used most often.
Parts such as the Front Brake Panel: Spring Brake Shoe, Joint, Brake Arm, Indicator,rr.brk., Spring,brake Arm are included in the Z50jf Monkey Germany Front Brake Panel parts fiche.
The most reasonably priced component used on the Z50jf Monkey Germany Front Brake Panel is the Spring,brake Arm.