I have an old pocket bike that I am trying to fix. The tire is brand new, but I am not a fan of tubeless tires and like to put tubes in small tires like this. However I cannot figure out what size tube I should use. I would prefer to buy locally at my local mom and pop hardware store that has 8 inch, 10 inch, and 13 inch tubes. However I do not know what size I should use or if any of those would even work. Any help will be greatly appreciated.