The component with the lowest price in the SHOCK ABSORBER(S) schematic is the Washer,6.5x20x1.6,bla.
This schematic depicts all components used in the Zx900b4 Ninja Zx9r 1997 Europe Uk Fr Nl Ar Fg Gr It Nr Sd Sp St Shock Absorber(s) partslist.
On this parts fiche the Clamp is the most specified component.