The most reasonably priced component used on the Cb1300 2008 (8) Singapore / Two Front Brake Caliper is the Seal,joint.
Of all the components used in this assembly the Caliper Sub Assy, is the most expensive.
A sample from the products for the Front Brake Caliper include: Caliper Sub Assy,, Seal Set,piston, Spring.pad, Screw, Bleeder.