Tyron ATR system has been tested in accordance with the Finabel Standard for distance and speed. The Tyron ATR exceeded the requirements. TuV tested the TYRON 17″ ATR Runflat on Toyota Fortuna for 100km @ 50km/h with 2 tyres deflated plus a further 50km @ 30km/h with all 4 tyres deflated. TuV tested Tyron MultiBand on a range of vehicles for 3km at 80km/h plus 3km at 50km/h through a handling course. Official certificate and video is available. It is important to understand that many factors can alter the result of a test. They include speed, weight, aspect ratio of tyre, age of tyre, make of tyre, road conditions, reason for the deflation and ambient temperature.