A sample from the products for the Rear Brake include: Boot,piston, Boot,caliper, Holder-comp-caliper,r, Spring.
The most reasonably priced component used on the Kl650a1 Klr650 1987 Europe Fr Uk Ar Fg Gr It Nr Sd Sp St Rear Brake is the Bolt-socket.
In this schematic the "Bolt" is used most often.