A sample from the products for the Swingarm(a2/a3) include: Seal-oil,swing Arm, Arm-comp-swing, Nut, Guide-chain.
The component with the lowest price in the Swingarm(A2/A3) schematic is the Washer,magneto.
The Swingarm(a2/a3) is made up of components including this Arm-comp-swing which is the most expensive.