What Are Run Flat Tyres?

May 6,2022

Run flats are tyres that are specifically designed with reinforced sidewalls. This means that if you get a puncture, you can continue driving on them at a limited speed for a limited amount of time. Getting a puncture is the most common reason for a mechanical breakdown and it can be a very scary experience. Run flats make this experience drastically less scary, there is no need to pull over on the road side and try to change the tyre.

The general guideline for run flats after getting a puncture is you are able to travel up to 50 miles at 50mph. At this point, it is advised you change your tyre. This can differ depending on the tyre brand and the weight of your car.

How Do Run Flat Tyres Work?

The reinforced sidewalls in run flat tyres act as an extra barrier against wear and tear. They will also continue to support the car in the case of a puncture. Producers such as Continental, have developed technology that increases safety and driver experience.

It is important to not forget that it is not advised to go past the 50 mile range limit. It is very important to change the tyre when possible. If it is not changed, you will run the risk of damaging the wheel itself which will be a lot more expensive than simply replacing the tyre.

Are Run Flat Tyres More Expensive?

Run flat tyres do tend to cost more, up to 50% more. The increased cost of run flat tyre is counterbalanced by the additional safety that they provide in the case of a puncture.

What Are The Benefits of Run Flat Tyres?

As aforementioned, the major benefit of having run flat tyres is safety. Run flat tyres allow you to travel up to 50 miles, allowing you to reach somewhere safe to change the tyre rather than having to change the tyre on the side of the road (a very dangerous situation to be in!). Run flats will also give you more control of the car in the event of a puncture. Another benefit is there will be more space in the boot, as a spare wheel isn’t necessary. It also means there is less overall weight, improving fuel efficiency.

What Cars Have Run Flats?

Run flat tyres are only fitted to new cars which have a tyre pressure monitor system (TPMS). This is what will produce a warning on the dashboard when your run flat tyre gets a puncture. If your vehicle does not have TPMS, it should not be fitted with run flat tyres.

How Do I Know If My Vehicle Has Run Flats?

To find out if your vehicle has run flats, you should inspect the tyre sidewall. Different manufacturers have their own run flat markings. Here is a list of the best selling run flat tyre brands and the symbols they use::

  • Michelin- ZP
  • Goodyear- ROF, EMT
  • Continental- SSR
  • Bridgestone- ROF, RFT, RSC
  • Dunlop- DSST, ROF
  • Pirelli- RSC

Longbridge Tyres

If you are not sure how to tell if you have run flat tyres on your car or if you need more information on run flat tyres, Longbridge Tyres are experts in working with tyres and a whole host of different vehicles. We have been locally supplying and fitting tyres for our customers for over 20 years. Please get in touch with our expert team on 0121 457 7582 or fill out our online contact form.

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