Pirelli: F1 Chinese GP return prompts major uncertainties after five-year absence

The last race at the Shanghai circuit was held in 2019, before COVID-19 triggered an extended absence from the country.Since then, the F1 technical regulations have changed substantially, including a switch to 18-inch tyres.Inevitably the track surface will also have altered over the intervening years. But unusually, Pirelli has not been able to send engineers to assess it in advance, which would …Keep reading Source