The component with the lowest price in the REAR SWINGING ARM schematic is the Bolt(6x20).
Some items from this specific schematic: Nut, Nut, Spacer(6.5x9x5), Bearing(25x33x35).
This part-list fiche shows all the components that make up the Sv650 2003 (k3) Usa (e03) Rear Swinging Arm .