Recent discussions within Formula 1 have explored the possibility of downsizing rim sizes for the 2026 cars as part of broader efforts to reduce vehicle weight.
However, Pirelli, the sport’s official tire supplier, has expressed reservations about this proposal, citing practical challenges and potential marketing implications. While Formula 1 transitioned to 18-inch rims in 2022 to align with industry trends, reverting to smaller sizes poses logistical and technical hurdles for tire production and testing.
Pirelli highlights the need for extensive modifications to its production processes and testing protocols to accommodate a change in rim sizes. Furthermore, downsizing rims would present additional challenges for teams amidst the already demanding transition to new regulations in 2026.
Ultimately, discussions among teams and the FIA have leaned towards retaining 18-inch rims with slight modifications to tire size and shape.
Pirelli emphasizes the performance advantages and logistical feasibility of maintaining 18-inch rims, underscoring the importance of aligning with drivers’ expectations and technical requirements for optimal racing conditions in Formula 1.
