At Michelin’s labs, the tyres are tested for 24 hrs at a time, less than diverse loads and speeds. Which is 1000’s of miles non-halt. Some spokes deform, some split, but the constructions continue to execute safely, Mr Rachita suggests. “It can be exam-master, examination-learn,” he claims. “But we’re at a phase which is supplied us a substantial sum of self esteem. This is the real deal.”