Who's Ahead After F1's Bahrain Test?

F1's Bahrain test is now over - but who came out on top? After 3 days of ups and downs across all 10 teams, Red Bull and Ferrari appear on top, whilst Mercedes is looking a bit behind even with their dramatic sidepods... unless they're sandbagging, of course. Luke Smith and Matt Kew have been at Bahrain's test for all 3 days, and chat about what we've learnt from F1's final test before the Bahrain GP.