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George Russell has raised an unusual but pointed concern about Formula 1âs current tyre-pressure rules, saying the cars can feel as though they are running on âbig balloonsâ because of a regulation linked to Straight Mode.
Tyre pressures have become a significant talking point during the 2026 season, with the issue tied directly to the introduction of Straight Mode, or SM. Under the current rules, the front and rear wings open on designated straights to place the car in a low-downforce configuration and increase top speed. The wings then close under braking, returning the car to corner mode.
That system has created a specific safeguard in the regulations. Because an SM failure would leave the car in corner mode on the straights, increasing the stress placed on Pirelliâs tyres, teams are required to run pressures two to three psi above the minimum set by Pirelli.
For drivers, Russell says, that has changed the feel of the cars in a way that is difficult to ignore. The subject also sits naturally alongside broader tyre strategy discussions, including our recent Pirelli preview for the 2026 British Grand Prix, where tyre behaviour remains central to performance.
Asked whether the cars have become more enjoyable to drive since pre-season testing, Russell was broadly positive about the direction of the regulations, but clear that tyre pressures remain the standout complaint among drivers.
âI think the evolution with the regulation change from Japan onwards has been very good. The cars do feel much nicer to drive,â Russell said. âI think the one issue that all of the drivers are complaining about are the tyre pressures. But from what we hear and understand, Pirelli are trying to make improvements there.â
Russell then pointed to what he described as a strange regulatory consequence of SM.
âYou know, thereâs a strange rule that they have to take into consideration. If a teamâs SM fails and then thereâs much more downforce on the car, then they need to take compensation by two or three psi for this,â he explained.
The Mercedes driver believes solving the pressure issue would not simply improve comfort; it could also have a direct impact on the quality of racing.
âBut for all of us, itâs like you have big balloons youâre driving on,â Russell said. âAnd if they could make that step, I think it would be much better for the drivers, much better for racing, less overheating. We could fight even closer. I think that would be the next big step.â
Russellâs assessment is significant because it frames tyre pressure not as a marginal preference, but as a core factor in drivability, overheating and wheel-to-wheel racing under the current 2026 rules.
Heâs a software engineer with a deep passion for Formula 1 and motorsport. He co-founded Formula Live Pulse to make live telemetry and race insights accessible, visual, and easy to follow.