PARIS — Formula 1's governing body will use stricter tests starting at this week's Chinese Grand Prix to stop teams using rear wings which ... back up to its top F1 team 1m read Red Bull's ...

Formula 1 teams will have to pass tougher rear-wing flexibility tests from this ... more than 2mm," added the statement. Got Sky? Watch F1 races LIVE on your phone! 📱 Watch F1 races live ...