This item is not tall enough to replace a flat tire on your motorhome. We live in Montana near Yellowstone National Park. We hike to the Hebgensee several times a year. On the way home, about 10 miles from our house, we had a stroke. We pulled the chock out of the basement of our 36 foot RV, pulled the chock up, then removed the blown tire. Luckily we also have an electricity connection that we carry with us. We were able to remove the flat tire with no problem. Unfortunately, the wedge does not provide enough clearance to mount a new tire. We had to use a jack and raise the RV about 2 inches to put the tire on. Just make sure you have other ways to raise your RV when you buy this item.