>>1796798Holy shit, you really are a big guy.
If you have cash to spend you could try purchasing a set of Gemini wheels and fit them to a robust bike of your choice like a steel mountainbike or a cheap cruiser. They're super heavy duty and designed for motorized bicycles, but at a cost.
https://gemini-bicycle-products.myshopify.com/products/gemini-wheel-set-with-cnc-machined-front-hubMaybe an actual... fat bike... might be good for you as well.