The sub assemblies and components that make up this Rear Master Cylinder (sv650ak7/sak7) include this Hose Assy,rr Brake No.1, the most expensive part.
On this parts fiche the Washer(10x15x1.5) is the most specified component.
The component with the lowest price in the REAR MASTER CYLINDER (SV650AK7/SAK7) schematic is the Pin.