The component with the lowest price in the SWINGARM/CHAIN CASE schematic is the Bolt,flange Sh 6x.
The Swingarm/chain Case assembly is constructed from several parts from which the Swingarm Sub Assy is the most expensive.
A sample from the products for the Swingarm/chain Case include: Bolt,flange Sh 6x, Bolt,swingarm Piv, Bolt,hex,10x65, Case,drive Chain.