On this parts fiche the Pad Comp.(tokiko) (nas) is the most specified component.
A sample from the products for the Front Brake Caliper 2 Cb650 82 include: Boot,pin, Bolt,flange,10x32, Caliper,l.fr., Seal,piston.
The component with the lowest price in the FRONT BRAKE CALIPER 2 CB650 82 schematic is the Bolt, Flange,6x12.
