The component with the lowest price in the REAR BRAKE schematic is the Bolt-socket.
The Bolt is the most widely applied product in the ZX400L4 ZXR400 1994 UNITED KINGDOM FR NL AR FG IT REAR BRAKE ( four times ).
A sample from the products for the Rear Brake include: Holder-brake,rear Cal, Bolt, Pin Caliper, Cover-seal.