Parts such as the Rear Cushion: Rubber,joint, Nut,hex.,10mm, Spring,rr Cushion, Nut,rr Cushion Up are included in the Cb550f2 Super Sport 550 Four 1977 Canada Rear Cushion parts fiche.
The Rear Cushion is made up of components including this Cushion Assy,rr. which is the most expensive.
The Bolt Hex 10x32 is the cheapest item from this partsfiche.