My curiosity is killing me, are you having the tire/wheel mods done on the the beach? If not, how do you intend to get the mh on the beach/sand? In my humble opinion, you can't drive it on a highway with slicks and only a single rear tire.
Jim with Judy
2017 Newmar Ventana 4369, 2005 Jeep Wrangler (Rock Crawler), 2016 Jeep Wrangler (Mall Crawler)