Pirelli to introduce revised tyres from Canada onwards

Formula One racing's official tyre suppliers Pirelli have announced that they will be providing tyres with a revised construction from the Canadian Grand Prix onwards. The Italian company said after last weekend's race in Spain that they would make changes to reduce the number of pit stops per race ahead of the British Grand Prix, but they have now decided to introduce revised rubber a race earlier in Montreal

via Formula1.com - Latest Headlines http://www.formula1.com/news/headlines/2013/5/14559.html