The Nut-hex-small,8mm is the lowest priced item on this Swingarm schematic.
The most expensive part in this assembly is the Arm-comp-swing,f.s.bl.
Parts such as the Swingarm: Bearing-ball,6004ul11, Adjuster-chain, Bolt-small,8x55, Nut-hex-small,8mm are included in the Zr900ckfa Zr900rs 2019 Europe,middle East,africa,uk Swingarm parts fiche.