The Single-seater Challenge will be open to 13-inch tires from 2024 onwards
The Challenge Monoplaces makes way for innovation by integrating 13-inch tires in 2024, following the success of Michelin’s 17-inch tires.
Introduced in 2020, Michelin Motorsport and the Ultimate Cup Series opted for innovation by equipping the latest generation Tatuus F3 T-318 single-seaters with 17-inch tires. Approved by renowned drivers such as Nicolas Prost, two-time defending champion of the Single-Seater Challenge, Michelin’s 17-inch tires will undoubtedly be the preferred choice of the challenge’s competitors over the coming years.
Michelin began developing 17-inch rims in the early 2010s for the World Series by Renault, before becoming the first manufacturer to market 17-inch rims. Since 2022, Formula 1 and Formula 2 single-seaters have opted for wider rims, confirming that this will be their future.
At the same time, the Ultimate Cup Series organization has decided to authorize the use of 13-inch tires on Tatuus F3 T-318 single-seaters from the 2024 season, which gets underway on the weekend of March 15-17 at the Paul Ricard circuit. The decision follows numerous requests from teams running their single-seaters in the FIA series. Two separate rankings will be used to decide between 13-inch and 17-inch competitors.
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