For the money, it is just better to take your time changing your tire the old fashioned way. Without these so-called rim savers. These things made it harder to take the tire off of my rim due to the fact that you lose clearence area because they are so thick. I got more scratches from trying to use these than if I had just changed the tire without them. If you use these and have read this review anyway, then "buyer-beware"!!!