This Caliper Sub Assy, is the most expensive of the items that make up this Front Brake Caliper assembly.
This schematic depicts all components used in the Sfx50mm 1998 (w) Netherlands Front Brake Caliper partslist.
A sample from the products for the Front Brake Caliper include: Piston, Cover, Caliper Sub Assy,, Pin Split 1.6.