Reports concern Pirelli again! This time they are accused of not filing a report to the FIA that they had changed the construction of the tyres prior to the British Grand Prix.
Formula One drivers continue to complain and worry about the Pirelli tyres, and now Perez adds his thoughts after the Korean Grand Prix.
Pirelli boss Paul Hembery claimed that "some teams went against our recommendations".
Every car in the field will be eligible to run the new unmarked Pirelli tyre.
At Spa-Francorchamps rumours again surfaced regarding a possible change of a tyre supplier
While in Sao Paulo to announce Pirelli's commitment to the Brazilian Stock Car series, Hembery commented on the new 2013 F1 Pirelli tyres: "The walls flex a little more."
All Formula One teams except for Mercedes tested a new range of Pirelli tyres at the Silverstone circuit during the three-day Young Drivers Test.
Pirelli’s motorsport director Paul Hembery: "Pirelli will provide the teams with a new range of tyres mixing the stability of 2012 and the performance of 2013"
Paul Hembery told Italy's La Gazzetta dello Sport that Pirelli stays with Formula One on Tuesday
After four races Pirelli will make a decision about tyres compounds