Sky Sports F1 expert Karun Chandhok believes there’s one part on the new Mercedes he expects other teams to copy soon. Winter innovation is one of the key parts of Formula 1, with Red Bull and Mercedes being leaders in the field over the past 10 years. Speaking on Sky Sports F1’s preview show before the start of the Bahrain Grand Prix weekend, Chandhok was reviewing the latest offering from the Silver Arrows. Mercedes with work to do to catch Red BullLast season was a real disappointment from Mercedes’s point of view. After winning eight Constructors’ Championships on the bounce, they finally …