Parts such as the Rear Wheel (model L/m/n/p): Nut,rr Axle, Bolt(8x15), Tire, Rear (at22x11-9), Axle,rr are included in the Lt230e 1991 (m) Rear Wheel (model L/m/n/p) parts fiche.
Of all the components used in this assembly the Axle,rr is the most expensive.