Parts such as the Front Brake Master / Cylinder: Bolt,oil, Hose B,fr.brake, Diaphragm, Screw,flat,4x12 are included in the Cb1000c 1000 Custom 1983 (d) Usa Front Brake Master / Cylinder parts fiche.
The Front Brake Master / Cylinder is made up of components including this Cylin,fr.brk.mas. which is the most expensive.
The component with the lowest price in the FRONT BRAKE MASTER / CYLINDER schematic is the Screw,flat,4x12.