Lewis Hamilton suggested after the Barcelona race that Red Bull had put a new, 'bendy' rear wing on the car, which would have allowed Max Verstappen to gain three tenths on the straight. In doing so he may be hoping the FIA will look at the part, but Red Bull Racing insists the wing is completely legal.         Red Bull used a rear wing with more downforce during Friday's free practice, but switched back to the one they used in previous races on Saturday. The rules for this are strict, as Formula 1 teams have long been trying to push the boundaries with aero elasticity. By using a flexible rear wing the top speed could increase. However, according to the FIA rules it is not allowed to...
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