Side view of the 0-400-0 world record #Chiron. The new high-performance tyres, once again developed together with our strategic tyre partner michelin, have to face extreme loading. At a speed of 400km/h (249 mph), centrifugal force converts one gram of rubber into 3,600 grams. A tire valve that only weighs 18.3 grams when stationary develops a force of approximately 45 kilograms at that speed #ZERO400ZERO #BUGATTI jpmonty2