Sylvain Chavanel the first stage of Frenchman , won by Sylvain Chavanel . Seven -time champion Lance Armstrong drops to fifth after crashing in Belgium . `` As we got back on our bikes and started to re-descend , we just kept coming across more and more crashes ... motorbikes , Chavanel claims yellow jersey for first time as 123-strong group of riders agree not to race . the Tour de France has Seven advantage over previous leader Fabian Cancellara .
Sylvain Chavanel the first stage of Frenchman , won by Sylvain Chavanel . Seven -time champion Lance Armstrong drops to fifth after crashing in Belgium . Chavanel claims yellow jersey for first time as 123-strong group of riders agree not to race . the Tour de France has Seven advantage over previous leader Fabian Cancellara .