Pirelli says it will press ahead with plans to introduce a new tyre design for 2021, despite criticism from Formula 1 drivers.
Mario Isola, Pirelli’s motorsport boss, told BBC Sport introducing the tyre was “the right decision” for next season.
Drivers complained the new tyres were slower, heavier and had worse handling than the 2020 tyres after testing them in practice at the Bahrain Grand Prix.
Isola said they were needed to reduce the risk of stress-induced failures.
A number of drivers have suffered tyre failures in races this year.
Some have been traced to external factors, while others have been caused by the extreme loads generated by F1 cars, particularly the incident in which world champion Lewis Hamilton finished the British Grand Prix on three wheels after a front tyre collapsed on the final