The Bushing is the most widely applied product in the GSX1100EF 1984 (E) (01 02 04 06 15 16 17 18 21 22 24 25 26 34 39 REAR SWINGING ARM ( four times ).
The lowest price component in this Rear Swinging Arm parts-list fiche is the Pin 20x20.
Parts such as the Rear Swinging Arm: Cap,pivot, Buffer,chain Touch Defense, Case,chain, Washer are included in the Gsx1100ef 1984 (e) (01 02 04 06 15 16 17 18 21 22 24 25 26 34 39 Rear Swinging Arm parts fiche.