On this parts fiche the Shoe,brake is the most specified component.
The Front Wheel is made up of components including this Rim,wheel which is the most expensive.
Parts such as the Front Wheel: Spring(l:35.8), Lever,fr Brake Cam, Shoe,brake, Spoke Set,rr are included in the Jr50 1991 (m) Usa (e03) Front Wheel parts fiche.