Red Bull are under the microscope at the US Grand Prix amid controversy over a ride height device on the RB20. They’ve already agreed to make changes to their car. The reigning world champions are unique among F1’s 10 teams in the positioning of the mechanism. It allows them to lower the car’s ‘front bib’, dropping it closer to the ground. If they did this in Parc Ferme between qualifying and practice, it would be a serious breach of the regulations. In terms of set-up, teams are only allowed to change the front wing angle in that period. That means they have to find a ride-height compromise t…
