SERAING, BELGIUM - JULY 07:  07:  Mark Cavendish of Great Britain and Etixx-Quick Step leads the peloton during stage four of the 2015 Tour de France, a 223.5km stage between Seraing and Cambrai, on July 7, 2015 in Pont-à-Celles, Belgium.  (Photo by Bryn Lennon/Getty Images)