Lucas di Grassi says Pirelli's new hard tyre a step forward
|By Jonathan Noble||Monday, July 2nd 2012, 13:43 GMT|
Pirelli test driver Lucas di Grassi believes teams will find the new experimental hard compound tyres that will be evaluated at Silverstone this weekend a step forward - even though the Italian manufacturer will not be rushed in to racing it in case it favours an individual team.
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