Speed Rating ZR

Speed symbol — max sustained speed240 km/h / 149 mph

At its rated load. ZR confirms the tyre is approved for sustained speeds above 240 km/h. A W or Y on the sidewall gives the precise limit.

Nearby speed symbols

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Defined in UN vehicle regulation.

Where the ZR speed symbol is on the tyre

It is the single letter at the end, right after the load index. Here it is on an example 205/55R16 tyre.

ZR Speed symbol

Rated above 240 km/h at its rated load.