The Nut 12mm is the lowest priced item on this Rear Cushion Lever (model K/l/m/n/p/r/s/t) schematic.
In this schematic the "Bearing(17x24x25)" is used most often.
The twenty-one Gsx600f Katana 1996 (t) Usa (e03) Rear Cushion Lever (model K/l/m/n/p/r/s/t) component parts are all listed in this schematic.