Parts such as the Rear Wheel (1): Valve Rim Rr, Joint, Brake Arm, Spring Brake Shoe, Indicator,rr.brak are included in the Sfx50 1998 (w) Belgium Rear Wheel (1) parts fiche.
In this schematic the "Spring Brake Shoe" is used most often.
This Wheel Set*nh397m* is the most expensive of the items that make up this Rear Wheel (1) assembly.