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Is RFT a Run-Flat Tire?

4 Answers
MacArya
08/28/25 7:46am

RFT is a run-flat tire. Here is the relevant introduction: Introduction: RFT (Reinforced Sidewall Run-Flat Tire) refers to a tire designed with reinforced sidewalls that can support the vehicle's weight in the event of a puncture. Extended Information: This RFT system is most suitable for vehicles equipped with low-profile tires, such as sports cars. The so-called run-flat tire/system allows the tire to continue driving safely for a certain distance at a specified speed even after losing air pressure. When the pressure drops to 0 kPa, under normal usage conditions, it can travel up to 80 km at speeds below 80 km/h.

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MackenzieMarie
09/10/25 5:57am

You're talking about RFT, right? It's the run-flat tire. I've driven several cars equipped with this type of tire myself. For example, that time when I suddenly had a flat tire on the highway, it still allowed me to drive another 50 to 80 kilometers to the repair shop without having to stop on the roadside to risk changing the spare tire. The design of this thing is quite clever—the sidewalls are thickened and reinforced so that after a puncture, the weight of the car won't crush the wheel, allowing you to drive away stably. But the downside is, it's significantly more expensive than regular tires, costing a few hundred bucks more on average for a set. And once the sidewall is severely damaged, you can't patch it; you have to replace the whole tire. Also, when changing the tire, you need to pay special attention to wheel rim compatibility because the structure is stiffer and can easily get stuck. In short, run-flat tires are very reliable for safety and can reduce emergencies, but you need to check the tire pressure regularly since there are no obvious signs when it's leaking. I suggest everyone not skimp on maintenance and make sure the vehicle supports the modification before switching.

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JulietDella
10/24/25 6:49am

From my experience as a car mechanic, RFT is indeed a run-flat tire, short for Run-Flat Tire. It has thickened rubber layers inside, which can support the car to drive a distance to a safe place in case of a flat tire or air leakage, avoiding the danger of changing tires on the roadside. A common issue during installation is wheel rim compatibility; old rims may not match this reinforced tire, and forcing them on can wear the rim edges. I've also noticed that some owners neglect tire pressure checks over time, leading to premature tire wear and even affecting the suspension system. In terms of price, run-flat tires are 15%-30% more expensive than regular ones, but they save space and weight by eliminating the need for a spare tire, making them suitable for those who prefer lightweight travel. If the vehicle doesn't come with them from the factory, I usually advise owners to check the vehicle manual for compatibility before switching, to avoid spending money blindly. These tires are commonly found on BMW or Mercedes-Benz vehicles, with reliable designs but requiring more frequent maintenance. It's best to check the tire pressure with a gauge every month.

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DiKayden
12/07/25 7:12am

That's correct, RFT stands for Run-Flat Tire. For daily commuters like me, this type of tire enhances safety by allowing continued driving even after a puncture, reducing the risk of being stranded on highways. Its working principle involves reinforcing the tire sidewalls to absorb impacts and prevent the vehicle body from sinking. When choosing, factors like vehicle type and budget should be considered. Run-flat tires are more expensive but worth the price as they eliminate the hassle of carrying a spare tire.

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