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PRA LOUP, FRANCE - JULY 22: Gorka Izagirre (R) of Spain riding for Movistar Team rides on the front of the group as he helps teammates Nairo Quintana (L) of Columbia riding for Movistar Team in the best young rider white jersey and Alejandro Valverde (2R) of Spain riding for Movistar Team as they race against Chris Froome (C) of Great Britain riding for Team Sky in the overall race leader yellow jersey on the climb to the finish of stage 17 of the 2015 Tour de France from Digne-Les-Bains to Pra Loup on July 22, 2015 in Pra Loup, France. (Photo by Doug Pensinger/Getty Images)

PRA LOUP, FRANCE - JULY 22:  Gorka Izagirre (R) of Spain riding for Movistar Team rides on the front of the group as he helps teammates Nairo Quintana (L) of Columbia riding for Movistar Team in the best young rider white jersey and Alejandro Valverde (2R) of Spain riding for Movistar Team as they race against Chris Froome (C) of Great Britain riding for Team Sky in the overall race leader yellow jersey on the climb to the finish of stage 17 of the 2015 Tour de France from Digne-Les-Bains to Pra Loup on July 22, 2015 in Pra Loup, France.  (Photo by Doug Pensinger/Getty Images)