Pirelli motorsports boss Mario Isola has revealed they will start testing with 2021's new 18-inch wheels later this season, as the Italian tyre manufacturer will do so with special 'mule cars' that will be given to the teams. Isola explained that September will be the first time the new tyres will get tested before the testing program will really ramp up in 2020 to have them ready for 2021. "We're still having talks and nothing is 100% confirmed, but I think we have a solution," Isola told Motorsport-Total. "We could start testing in September of this year with the rubber for 2021. That's why we're in talks with a few teams about giving them mule cars." These...
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