Michael Schumacher criticizes Pirelli 's tires , complaining they degrade too quickly . Seven-time world champion Seven-time world champ says tires are stopping drivers from pushing themselves . Sole supplier Pirelli says tires have produced an exciting , unpredictable season . Comment:
Michael Schumacher criticizes Pirelli 's tires , complaining they degrade too quickly . Seven-time world champ says tires are stopping drivers from pushing themselves . Sole supplier Pirelli says tires have produced an exciting , unpredictable season . Comment: