Pirelli has blamed a lack of support from the teams for its inability to implement a new tyre construction ahead of the British Grand Prix. After a number of tyre delaminations at the Bahrain and Spanish grands prix, Pirelli announced that it would be making changes in order to prevent repeat incidents. It originally planned on introducing the revised tyres in Canada, but the teams wanted time to test them and so only a prototype tyre with a new construction was made available during the Friday practice sessions. However, in announcing its tyre compound choices for the next three races, Pirelli has said it is unable to make the changes "contrary to Pirelli's initial plans"...
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