Zhou Guanyu will revert to using the Formula 1 chassis he used until 2024’s Imola round, after his Sauber squad concluded a problem with his newer one was contributing to his recent struggles.
Zhou’s recent form since his Imola chassis change has included a Monaco practice shunt and two crashes last time out at Montreal, which cost him considerable practice running ahead of a race where he ended up as the only lapped finisher.
