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Home International

Goodyear unveils unique Eagle F1 SuperSport tyre for Pure ETCR

Liana Shaw by Liana Shaw
Aug 19, 2020
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Goodyear has revealed the bespoke Eagle F1 SuperSport race tyre that will be equipped to all cars in Pure ETCR, the world’s first all-electric multi-brand touring car series. Goodyear is the exclusive tyre supplier and founding partner of this exciting new racing championship.

The unique treaded race tyre for Pure ETCR is the latest in Goodyear’s performance Eagle F1 SuperSport range. It shares a great deal of technology with the Eagle F1 SuperSport road tyre but is optimised to maximise performance from Pure ETCR’s radical electric touring cars, which will compete in their first races later this year.

Road tyre technology used as basis for race tyre

The bespoke Goodyear Eagle F1 SuperSport ETCR tyre has a very similar appearance to the road tyre, shares the same philosophy, and much of the same technology. These shared technologies include the Power Shoulder and High Force Construction features, which are key for maximising performance on both road cars and in the 500 kW (670 hp) Pure ETCR race cars. The entire Eagle F1 SuperSport range draws on Goodyear’s extensive and wide-ranging motorsport experience to improve performance on the road, but these benefits work both ways. The innovative technologies in the road tyre are now being used as the basis for the race-only Pure ETCR tyre.

On the road tyre, the Power Shoulder improves cornering performance through its massive closed outside pattern, while the super stiff sidewall design of the High Force Construction technology results in better handling and driving stability. Both technologies are integral to the Pure ETCR version of the Eagle F1 SuperSport but optimised for race use by strengthening the outer shoulder even more. The result is a unique tyre that provides stability and impressive cornering performance to the world’s most powerful touring cars.

The use of treaded tyres is unusual at this level of motorsport but it allows Pure ETCR teams to use the same tyre for wet and dry conditions, rather than the usual split between slick tyres for dry and treaded tyres for wet running. Using a single tyre specification avoids the need to ship three or four specifications around the world, aiding Goodyear and Pure ETCR’s sustainability plans.

Pure ETCR poses several unique technical challenges due to its unique race format and the sheer power of its cars, which are based on manufacturers’ road cars and look very similar to their mid-size four-door hatchbacks and saloons. Electric vehicles are heavier than their petrol or diesel equivalents but also produce an incredible amount of torque and, with up to 500 kW, Pure ETCR cars are some of the most powerful EVs on the racetrack.

These unique characteristics mean that Pure ETCR cars need a tyre that can withstand immense forces and instant power delivery, while ensuring high grip and traction.

Liana Shaw

Liana Shaw

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