The best trailer tire we offer for a 13 inch wheel is the Westlake ST175/80R13 part # LHWL101. This is made from the highest quality materials, has a higher speed rating at 75 mph, comes with a complimentary roadside assistance program for 2 years, and has great weight capacities of 1,360 lbs at 50 psi.
Most trailer tires do need to be replaced every few years. We recommend replacing the tires before they reach six years of age. view full answer...
Nitrogen itself will not cause a trailer tire to run any cooler than a trailer tire filled with standard air, the only thing it will do is stay at a more stable pressure and volume to keep the tire properly inflated which can cause the tire to run cooler.
The main benefits of Nitrogen in tires is that it is more stable than air it will not increase/decrease pressure with temperature changes nearly as much, and due to its molecules being larger than those found in regular air it will not... view full answer...
We don't have AC units listed for all pop up campers but since they are all pretty universal in what they fit so you could use the Advent Air kit part # ACM135CH which comes with an air distribution box, a heat strip and a start capacitor. This is a slightly smaller unit that would work really well in your pop up. view full answer...