Run Flat tires are the most convenient and safest protection against a puncture. However, different brands use different markings for their tires equipped with this solution. As a result, finding a specific Run Flat model from a chosen manufacturer can be difficult – first, you need to find out what marking a given tire company uses. Therefore, we have prepared a short guide that will show you how to recognize Run Flat tires.
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What are the characteristics of Run Flat tires?
Run Flat technology provides the ability to continue driving, even after a puncture and total loss of pressure. Additional reinforcements in the tire’s sidewalls support the weight of the car, allowing you to reach the nearest tire service for repair or replacement. The distance that can be covered without air is about 80 km, and the speed is also limited to about 80 km/h.
The benefits of the Run Flat system allow you to avoid the need for immediate wheel repair. Thanks to this, you don’t have to stop immediately after a puncture occurs – e.g., on a busy route or during bad weather. As a result, this system will be appreciated by drivers who travel a lot. Run Flat tires will also work well if we don’t want to allocate space for carrying a spare wheel. New Run Flat tires can be conveniently matched at https://www.sklepopon.com/opony/runflat. If, on the other hand, we are looking for tires from a specific manufacturer, it is worth checking the individual markings beforehand.
How to recognize Run Flat tires – manufacturer markings
Some brands, such as Bridgestone or Nokian Tyres, mark their Run Flat tires with the RFT designation, which simply stands for Run Flat Tire. However, many companies have opted for individual markings. The Continental group chose the SSR designation, which is derived from the name Self-Supporting Tyre. In the case of Dunlop tires, you can come across two different markings – DSST (Dunlop Self-Supporting technology) and DSROF (Dunlop Self-Supporting RunOnFlat).
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Goodyear tires with Run Flat technology have the EMT (Extended Mobility Tyre) or ROF (Run On Flat) designation. Hankook uses the symbols HRS or HRFS – both stand for Hankook Run Flat System. The Kumho Tyre brand named its proprietary solution eXtended Run-Flat Performance, which resulted in the XRP designation. When looking for Michelin tires equipped with the Run Flat system, you should look for the ZP (Zero Pressure) marking, or the EMT marking mentioned earlier with the Goodyear brand.
The Pirelli brand also uses several different markings. This can be the RFT symbol, also used by other companies, but also Pirelli’s proprietary marking – SSFR (Self-Supporting Run Flat). Furthermore, the Pirelli brand introduced RunForward, technology, which is optimized for electric drives – it ensures quiet and comfortable operation and low rolling resistance, but the maximum distance to be covered without air is 40 km. In addition, Pirelli tires can feature Seal Inside technology. This is a slightly different solution that, instead of reinforced sidewalls, uses an additional sealing layer that prevents air from escaping after a puncture.
Japanese brands have also chosen individual markings: Toyo – TRF (Toyo Run Flat) and Yokohama – ZPS (Zero Pressure System). In addition, you can also come across markings prepared specifically for individual car manufacturers, such as RSC – BMW, or MOE – Mercedes-Benz. It is worth remembering this if you are looking for homologated Run Flat tires.
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