Run-flat technology tires are designed to allow you to continue driving even after experiencing a puncture or loss of tire pressure. Here’s how they work:
Reinforced Sidewalls:
Run-flat tires feature reinforced sidewalls that are designed to support the weight of the vehicle even when the tire is deflated. These sidewalls are made of stiffer and stronger materials, such as rubber and other reinforced compounds.
Self-Supporting Design:
Run-flat tires have a self-supporting design, which means they can continue to bear the weight of the vehicle even with little or no air pressure. This is achieved through the reinforced sidewalls and the tire’s internal structure.
Internal Support Rings:
Some run-flat tires utilize internal support rings that are positioned either on the inside of the tire or integrated into the sidewall. These support rings help provide structural strength and stability to the tire, allowing it to retain its shape and carry the load when air pressure is lost.
Heat-Resistant Materials:
Run-flat tires are often constructed using heat-resistant materials that can withstand the heat generated when driving on a deflated tire. This helps prevent tire failure or damage due to excessive heat buildup.
Limited Driving Range:
While run-flat tires allow you to continue driving after a puncture or loss of pressure, they typically have a limited driving range at reduced speeds. The exact distance and speed will depend on factors such as the tire manufacturer’s specifications and the extent of the damage. It’s important to refer to the manufacturer’s guidelines and recommendations for specific information on the driving limitations of run-flat tires.
Tire Pressure Monitoring System (TPMS):
Many vehicles equipped with run-flat tires also have a Tire Pressure Monitoring System (TPMS) installed. TPMS constantly monitors the air pressure in each tire and alerts the driver if there is a significant loss of pressure. This helps provide early warning of a puncture or loss of tire pressure.
It’s important to note that run-flat tires are not invincible and have their limitations. They are designed to allow you to drive to a safe location or a nearby service center for tire repair or replacement. It’s recommended to consult your vehicle’s manual and follow the manufacturer’s guidelines regarding run-flat tires, including speed limitations and the recommended actions to take in the event of a puncture or loss of pressure.