So if you notice that you don’t have a spare tire, your car could have run-flats. Modern cars that come with run-flat tires don’t have a spare tire in the boot. Image Source: Dunlop How to Identify Run-Flat Tires
Since you’ll barely notice any deflation on a run-flat tire, vehicles fitted with these tires from the factory usually have a tire pressure monitoring system (TPMS) that detects air pressure loss and alerts the driver about it. While most cars do not come with run-flat tires by default, more modern cars, especially luxury brands come with them installed. Instead, the reinforced sidewalls of the tire provide structural support and help it keep its shape so you can keep driving. When a run-flat tire gets punctured and loses air, it doesn’t deflate like a regular tire.
If you continue to drive with a flat tire, the rubber can break off and totally expose the metal of the wheel which can cause even more damage to your car. As a result, it doesn’t provide enough cushioning between the road and wheel. When a regular tire gets punctured, it deflates and loses its shape. Run-flat tires have thicker, stiffer, reinforced sidewalls with multiple layers of rubber and heat-resistant cord. Instead, run-flat tires have just enough sturdiness to get you to a workshop and get it changed. That means if your tire gets punctured, you won’t need to stop by the side of the road, which can lead to a risky situation. Do they drive the same as regular tires? Can you install them on your car? In this article, we’ll answer these questions and help you determine if you should get run-flat tires.Ī run-flat tire is designed to be safe to use even after it suffers a puncture. Run-flat tires are getting more common, but many drivers still don’t understand what they are and how they work.
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