The letters after the tyre size tell you if a tyre is reinforced, run-flat or approved by your car maker. Here is what they mean.
After the size, most of our tyre names carry extra letters, for example "CONTI 225/40R18 CONTISPORTCONTACT 5 XL FR MOE SSR 92Y".
Strength and construction
| XL | Extra load (reinforced): the tyre carries more weight at a higher pressure |
|---|---|
| ZR | Built for speeds above 240 km/h |
| PR | Ply rating on truck and industrial tyres, for example 20PR |
| TL | Tubeless |
| TT | Tube type: needs an inner tube |
Run-flat
| SSR | Self-Supporting Runflat (Continental): you can keep driving after a puncture |
|---|---|
| RUNFLAT | Run-flat tyre (Hankook and others) |
| MOE | Mercedes-Benz original equipment, extended (run-flat) |
Car-maker approval (OEM)
Car makers test tyres for their models and mark the approved ones. If your car came with marked tyres, fitting the same mark keeps the handling the maker intended.
| MO | Mercedes-Benz |
|---|---|
| AO | Audi |
| N0 | Porsche (N0, N1, N2 ... is the generation of approval) |
| ★ | BMW and MINI |
Other marks
| FR | Rim protector: a rubber rib that helps protect the wheel from kerbs |
|---|---|
| CS | ContiSilent: foam inside the tyre that cuts road noise |
| BSW | Black sidewall |
See all OEM tyres and run-flat tyres, or WhatsApp us your car model and tyre size.
