Paul Hembery, the director of tire provider Pirelli, said that despite the track's abrasive surface and high temperatures they expected teams to need only three pit stops instead of four as they have made in the past.
Mercedes' rivals eager to close gap in Barcelona →
"The idea is to close the gap, maybe, some of the gaps, in performance," he said.
Column: Vettel aside, tires are star F1 performer →
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