Drivers have stocked up on Pirelli's Ultrasoft tyre for the Austrian Grand Prix, which forms the second race in Formula 1's first triple-header. The Ultrasoft, which is Pirelli's second softest tyre behind the Hypersoft, has been widely selected by the majority of drivers with the likes of Lance Stroll, Sergey Sirotkin, Nico Hulkenberg and Carlos Sainz opting the absolute maximum of ten sets each. The Williams and Renault drivers will have just three sets of the remaining two compounds; the red Supersoft and the yellow Soft. Of the frontrunners, Ferrari have been most aggressive with nine sets of the Ultrasoft. Sebastian Vettel and KImi Raikkonen differ on their remaining sets...
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