Ferrari boss Maurizio Arrivabene has demanded an urgent revision to his team's wheelnut design following the problem that cost Sebastian Vettel a podium finish at the Austrian Grand Prix. Vettel had been Mercedes' main challenger at the Red Bull Ring, but dropped behind Williams' Felipe Massa after losing around 10 seconds thanks to a pitstop drama when his crew could not fit his right rear wheel. Arrivabene made clear that the matter was not related to a mechanic's error, but instead had to do with the inset wheelnut design. Speaking about what happened, he said: "I have to say that Sebastian made a great race. I have to say Mercedes are still strong. "But we threw away one more...
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