Aston Martin: Flexi-wing clampdown could cost some F1 teams 0.5s

A number of outfits, including Red Bull, Ferrari, Alpine and Alfa Romeo, have been using clever aero designs to flex their wings at high speed for a straightline boost. However, the FIA is concerned that their designs could be in breach of rules that outlaw moveable aerodynamic devices, so are introducing tougher rear wing tests from the French Grand Prix.