On this parts fiche the Shoe Comp,rear Br (mca) is the most specified component.
The thirteen Xl600v Transalp 1988 (j) Italy Rear Brake Panel (xl600vh/vj/vk/vl) component parts are all listed in this schematic.
The Nut,flange,6mm is the lowest priced item on this Rear Brake Panel (xl600vh/vj/vk/vl) schematic.