The Swingarm/chain Case assembly is constructed from several parts from which the Arm Set,swing is the most expensive.
The most reasonably priced component used on the Vfr750r Rc30 1988 (j) England Swingarm/chain Case is the Screw,flat,5x12.
This schematic depicts all components used in the Vfr750r Rc30 1988 (j) England Swingarm/chain Case partslist.