How do I know if my tyres are run flat?
Recognising run flat tyres
Run flat tyres have specific markings on the tyre's sidewall. These markings vary by manufacturer, so knowing what to look out for is useful.
Sidewall markings of run flat tyres
| Marking | Meaning | Used by |
|---|
| RSC |
Run flat System Component |
Bridgestone, BMW |
| ROF |
Run On Flat |
Various manufacturers |
| SSR |
Self-Supporting Run flat |
Continental |
| ZP |
Zero Pressure |
Michelin |
| RFT |
Run Flat Tyre |
Dunlop, Pirelli and others |
| DSST |
Dunlop Self-Supporting Technology |
Dunlop |
| EMT |
Extended Mobility Technology |
Goodyear |
Other methods
- Check vehicle handbook - Vehicle handbooks list the original tyre specifications, including any run flat requirements
- No spare wheel - If your boot does not have a spare wheel, it was most likely designed for run flat tyres
- Tyres.co.uk registration search - Our system automatically identifies run flat requirements and highlights them in your search results
