Parts such as the Rear Wheel (gs400c,n): Bearing, Bolt, Drum,rear Sprocket Mount, Bearing are included in the Gs400e 1978 (c) (e01 E02 E04 E17 E18 E21 E22 E24 E25 E30 E34 E39 Rear Wheel (gs400c,n) parts fiche.
The Rear Wheel (gs400c,n) is made up of components including this Drum,rear Hub which is the most expensive.