On this parts fiche the Bearing(22x29x30) is the most specified component.
This schematic depicts all components used in the Gs750e 1981 (x) Usa (e03) Rear Swinging Arm partslist.
The most reasonably priced component used on the Gs750e 1981 (x) Usa (e03) Rear Swinging Arm is the Pin 20x20.
