The Rear Brake Panel is made up of components including this Panel, Rr. Brake which is the most expensive.
Parts such as the Rear Brake Panel: Pin,cotter 4.0mm, Shoe,rr Brake (mca), Bolt,hex 8x25, Panel, Rr. Brake are included in the Cb750k 1980 (a) Four England Rear Brake Panel parts fiche.
On this parts fiche the Shoe,rr Brake (mca) is the most specified component.