Pirelli's run flat tyres are engineered to run a low or no pressure to enable the driver to reach a place of safety, or even complete the journey. In the case of a punctured tyre, tyres are designed to run distances of up to 80km at a maximum speed of 80km/h.
A Load Index of 109 and Speed Rating V indicates the tyre can carry a load of 1030 kg at a maximum speed of 240 km/h .
|18 inch tyres||Load Index||Speed Index|
|255 / 55 R18||109||V|
|19 inch Tyres||Load Index||Speed Index|
|255 / 50 R19||107||W|
|285 / 45 R19||111||W|