The component with the lowest price in the F-12 REAR CUSHION schematic is the Cir-clip,ex, 17mm.
The F-12 Rear Cushion assembly is constructed from several parts from which the Cushion Assy,rear is the most expensive.
Some items from this specific schematic: Collar,cush Arm P, Dust Seal B, Rod Assy,cushion, Seal Bearing.