Pirelli have offered up the first look at contemporary F1 machinery running the bigger 18 inch wheels and tyres, with Renault testing in France. Pirelli have begun initial testing of the new specification 18 inch tyres that will be introduced to Formula 1 in 2021. With Formula 1 set to introduce larger wheels and tyres in 2021, this is a major switch away from the current small 13 inch diameter wheels and the first such change in three decades. Obviously, this presents a huge change in design affecting areas such as suspension, aerodynamics and brakes. Speaking to FormulaSpy, Pirelli boss Mario Isola outlined the technical challenges behind the switch to 18 inch tyres – these changes...
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