The question before the stage was simple: would they go for it? Would today be the true kickoff in the fight for the yellow jersey? The answer was an emphatic yes. Stage four took in the mighty Galibier and the race for the GC is officially on. Caley and Jonny come to you from the finish town in Valloire, where they speak to Jonas Vingegaard, chat about Pogačar's wheel selection, and break down how the best of the rest all faired.