A sample from the products for the Swingarm include: Oil Seal,27x43x7, Pin,split, 2.0, Swingarm Assy., Swingarm *nh1z*.
On this parts fiche the Nut,hex.,8mm is the most specified component.
The Swingarm assembly is constructed from several parts from which the Swingarm Assy. is the most expensive.