How to tell if a Pirelli P7 is a run-flat tire?

[McFelicity]

Pirelli tires can be identified as run-flat by markings on the tire sidewall. Run-flat tires, also known as extended mobility tires, will have RSC or R-F markings on the sidewall. Each tire brand uses different English abbreviations for their run-flat tires. Regardless of the brand, run-flat tires all feature a five-pointed star symbol, so tires with this star are generally run-flat products. Here is additional information: 1. Check the sidewall markings: The English term for run-flat tires is RUNONFLAT. Goodyear uses ROF, Pirelli uses R-F, Bridgestone uses RFT, and there are other English markings such as Michelin's ZP, Continental's SSR, and Hankook's HRS. 2. By vehicle model: Due to the higher cost of run-flat tires, a run-flat tire of the same model is at least 300-500 RMB more expensive than a regular tire, so they are generally only equipped on mid-to-high-end vehicles. For example, all BMW models come standard with run-flat tires. 3. By tire model: Generally, run-flat tires have an aspect ratio of 55 or below, and those above 60 are rare.