Formula 1 tyre supplier Pirelli has revealed more details regarding its initial plans for testing 18-inch tyres, ahead of their introduction in 2021. Formula 1 is to switch from 13-inch to 18-inch wheels for 2021 as part of a raft of sporting and technical changes, the details of which are still being defined. Pirelli is permitted 25 days of in-season running, in order to hone its products for the following campaign, but is opting to use some of its 2019 days for 2021 running. As part of the 2021 test programme Renault, McLaren and Mercedes will supply mule cars. Renault will carry out the first running at Paul Ricard in mid-September, with McLaren to take part in the next session at the...
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