Why Mercedes' Bahrain GP upgrade is still a "big question mark"

The Mercedes team has taken a big swing by introducing a substantial aerodynamic update package at a circuit Formula 1 hasn't visited since 2017. Has it missed?Probably not – but, because the upgrade is a major one, Mercedes has committed to it on both cars so it has been unable to run back-to-back comparisons between old and new in identical conditions. This has added to the challenges of ...Keep reading