Pierre Gasly's big crash was the talk of Day 3, but it was this shunt - 24 hours earlier - that was headline news on the second day of the final pre-season test in Barcelona. Sebastian Vettel had completed just 40 laps when he went off the road at Turn 3, bringing Ferrari's session to an abrupt halt. The cause? A wheel rim issue that clearly caught the four-time world champion by surprise - not to mention the cameraman...