A sample from the products for the Rear Wheel (an650k8/k9) include: Seal,oil(28x47x7), Bolt(8x21), Bearing, Nut.
The most expensive part in this assembly is the Wheel,rr(14m/cxmt4.50).
The lowest price component in this Rear Wheel (an650k8/k9) parts-list fiche is the Bolt(6x16).