Do all low pressure ATV tires flat spot? My Rokon is a pretty specialized piece of trail bike that doesn't see a lot of trail time. When I do take it out, the low pressure in the tires have a low spot on them from sitting. I know that my old Nylon truck tired did that way back when, so I assume that the bike has those too. Is there a better alternative tire for something only running about 5 psi that doesn't flat spot?