Some items from this specific schematic: Seal,cushion Lever Dust, Nut 12mm, Washer,thrust Swingarm Rr, Spacer,rr Cushion Lever Rr.
The component with the lowest price in the REAR CUSHION LEVER (MODEL Y) schematic is the Washer,thrust Swingarm Rr.
On this parts fiche the Bearing(20x27x15) is the most specified component.