Teams not revealing flexible front wing secrets

Stephan Heublein

Red Bull and Ferrari's rivals will need to move fast to design flexible front wings for their own cars.

That is the claim of Renault boss Eric Boullier, who believes F1's most competitive teams at present are enjoying a big benefit from the innovation.

Although flexible wings are illegal, the designs currently raced by Red Bull and Ferrari have passed scrutineering and the existing FIA tests.