The Rear Brake ('78 C1/c1a) is made up of components including this Disc Plate, Rear Disc which is the most expensive.
The Clip, Pad is the cheapest item from this partsfiche.
The fourteen Kz1000c4 Police 1000 1981 Usa Canada Rear Brake ('78 C1/c1a) component parts are all listed in this schematic.