On Friday trainings in the US, the company Pirelli will provide each pilot one of the prototype intermediate tyre.
The Italian rubber manufacturer intends to test its tires in 2018.
Due to the fact that on Friday on HONEYCOMB variables expected weather conditions, Pirelli has decided to test their prototypes in real conditions.
Thus, each racer will receive an additional kit with a green protector.
Recall that during the weekend in Austin Ultrasoft tyres are repainted from purple to pink.
At the United States Grand Prix Pirelli will use a pink marking Ultrasoft
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