Pirelli 's tires have been biggest selling point of Formula One season . Supplier 's test driver says they have been struggling to find right strategy . It has allowed some of the lesser - known cars to make their debut . Meanwhile , other lesser-known drivers are taking the chance to make their name on the circuit . Pirelli 's motorsport head says company decided to make tires more prominent .
Pirelli 's tires have been biggest selling point of Formula One season . Supplier 's test driver says they have been struggling to find right strategy . It has allowed some of the lesser - known cars to make their debut . Pirelli 's motorsport head says company decided to make tires more prominent .