Zhou crash triggers stricter F1 roll hoop tests for 2023

Zhou’s roll hoop was lost early in the incident after he was involved in a clash with George Russell and Pierre Gasly and flipped, with the hoop taking the initial impact when he landed upside down.

As his Alfa Romeo slid along the track surface Zhou was protected by the Halo before the car entered the gravel trap and flipped over the barrier.

Alfa Romeo is the only team in the pitlane to use the option of a ‘spike’ roll hoop design, having gone away from it on its 2020-21…