I know, cheap but. you can unbolt the hub and use your old hub; if you have one.
It Would save a tire change and cheaper than a tube.
Or Pull the tire off and throw the rim away. Lol.
Heck for that kind of money put 2 on you outside trash can.
Put 4 on a the kids wagon.
Wait ,,,,, football Cooler; load it up and roll it in.
I dont think I would go to awful fast with the bearings in those things. HF has 6" ones I thought about.......for 2 seconds. :laugh: