Following the preseason in Jerez circuit trainings Paul Di Resta has complained about the large amount of rubber that ensue Pirelli tires, which leads to form rubber track marbles. And that would not be significant if all the drivers were always on the same lane. Gum accumulates to the drawn ideal for what Paul Di Resta has warned that the rubber can be a problem in advance.
The Scottish says that after several overtaking, again drawn ideal tyres were filled with rubber that is not cleaned easily, while recognizing that this "problem" will depend on each circuit and as the rubber will go adhering to it.
