Toto Wolff insists Mercedes never lobbied F1 tyre supplier Pirelli to introduce this weekend's thinner tread tyres which the German outfit has put to good use in Barcelona. Following blistering issues with tyres during pre-season testing at the newly-resurfaced Circuit de Catalunya, Formula 1's exclusive tyre manufacturer opted to reduce the thickness of its rubber, not only for Barcelona, but also for Silverstone and Paul Ricard, two tracks where new asphalt was also laid down. The rubber layer of Pirelli's compounds is therefore 0.4mm thinner this weekend, a change that has reduced the weight of the cars by a kilo and appears particularly well suited to Mercedes based on its impressive...
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