Ask a race fan to name the most important part of a race car, and they'll have a slew of answers: the engine, the gearbox, the aerodynamics.

Advertisement The Gen4 car is going to be Formula E's most powerful yet, and the specs have been sorted right from the start.

That thin sheet is going to become our race tire.

But the all-weather Potenza Gen4 tires are the bread and butter of Bridgestone's Formula E partnership.

What Bridgestone's serving up for the 2026/27 Formula E season So, how do Bridgestone's Potenza Gen4 tires actually perform on track?