However , on stage 16 , he would lose his race lead to fellow Colombian Nairo Quintana controversially , after thinking the Stelvio descent was neutralized where Quintana went off and attacked .
He then managed to keep a large margin of his lead on stages 14 and 15 .
On stage 16 , he would lose his race lead to fellow Colombian Nairo Quintana controversially , after thinking the Stelvio descent was neutralized where Quintana went off and attacked .
He then managed to keep a large margin of his lead on stages 14 and 15 .