The Ball is the lowest priced item on this Footrest schematic.
forty components are listed in the schematic for this Gsx550ef 1987 (h) (e02 E06 E17 E21 E22 E24 E53) Footrest .
Parts such as the Footrest: Ball, Lock Washer, Footrest,front,left, Bracket,muffler,left are included in the Gsx550ef 1987 (h) (e02 E06 E17 E21 E22 E24 E53) Footrest parts fiche.