The most reasonably priced component used on the Cb550f2 Super Sport 550 Four 1977 European Direct Sales Winker (e,ed,f) is the Screw,cross 5x8.
With eight applications this Screw Cross 3x25 is the most specified part.
The Winker (e,ed,f) is made up of components including this Winker Assy.,r which is the most expensive.