The gem of having run-flats on your car is that you don’t have to sit on the side of the highway with vehicles whizzing by. Some people love ‘em, some people loathe ‘em. Use your judgment to weigh out the ups and downs of using run flats. Here are a few: Advantages Of Run-Flat Tires So yes, I do say that run-flat tires are good to have if you have the budget for them.īut of course, run-flats have their pros and cons. Are Run-Flat Tires Good To Have?įor most of you, I would advise leaving tire and wheel changes to the professionals. The other run-flat design used less commonly these days is the PAX design by Michelin which requires the installation of a protective ring that lines the entire inside middle of the tire. Support ring system (Michelin PAX system).These are the most commonly-used run-flat tires on modern vehicles. Self-supporting run-flats have reinforced sidewall construction that supports the weight of the vehicle when the tire has a complete loss of air pressure. Self-supporting (Goodyear captive air tires).There are two different types of run-flat tire construction: Some automakers (like BMW, Cadillac, & Mini Cooper) make some new vehicles stock with original equipment run-flat tires and they aren’t even equipped with a spare. I can instantly feel whether or not a tire has the run-flat ability when rolling a set out to my bay because the beading edge is extremely sharp. Run-flat tires have extremely reinforced sidewalls. So what makes run-flat tires different than standard tires?Ī stiffer sidewall. Want to avoid this?: old abandoned car with flat wheels on dirty asphalt The basic function of run-flats that makes them different from conventional tires is that you can drive on them for a limited distance at limited speeds (see specific manufacturer recommendations) in the event of tire deflation. ‘What are run-flat tires’ is one of the most commonly asked questions in tire shops. Here’s my (professional) take on run-flat tires to help you decide what’s right for your car.
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