Prevent Blowouts on your Camping Adventures. Did you know that all tires have a pre-determined speed rating including the tires on your RV. The speed rating is intended to inform you of the max speed the tire can go without affecting its ability to perform. The higher the rating the faster you can go. The chart above shows you how to determine your campers’ tires speed rating. Driving under the rating suggested will help prevent trailer tire blow outs and extend the life of your tire. Peace of mind and not having to turn in an insurance claim can be extremely valuable. Have a lead foot? Want to go 77MPH on the interstate? Better check your speed rating TODAY. You have the questions… Evans RV has the answers!😉