The most expensive part in this assembly is the Cylinder,master.
The twenty-four Cb550f1 Super Sport 550 Four 1976 European Direct Sales Master Cylinder - Brake Hose component parts are all listed in this schematic.
Parts such as the Master Cylinder - Brake Hose: Bolt,hex 6x28, Plate,lever.bush, Bolt,handle Lever, Clamper,cord are included in the Cb550f1 Super Sport 550 Four 1976 European Direct Sales Master Cylinder - Brake Hose parts fiche.