MegaMaster Blaze 300 wheels are inferior

Hi Bought a Megamaster Blaze gas braai last year february or march. I have hardly used the braai and hardly ever move it. The one wheel has broken off as it is plastic and needs to take the weight of the braai when moving it. The product is not bad generally but putting such inferior quality wheels on it makes it pretty useless. Saving a few Rand on cost using such wheels should not happen. Not exactly happy about the situation and following up to see what can be done.