PARIS, FRANCE - JULY 27:  Vincenzo Nibali of Italy and Astana Pro Team helps Peter Sagan of Slovakia and Cannondale (R) with his radio prior to the twenty first stage of the 2014 Tour de France, a 138km stage from Evry into the Champs-Elysees, on July 27, 2014 in Paris, France.  (Photo by Bryn Lennon/Getty Images)