Stage fifteen saw Trek-Segafredo's Bauke Mollema attack a breakaway group over the top of the Col de Peyra Taillade with to go and solo to victory. In the large group containing the overall contenders, Bardet's team AG2R La Mondiale forced a high pace on the Peyra Taillade. A further later on the climb, Froome suffered a broken spoke, and, after receiving a new wheel from a teammate and some assistance from three other teammates, he was able to chase back up to the group. The next day was the second rest day of the race. In the sixteenth stage, the high pace set by Matthews's Team Sunweb dropped the green jersey wearer Kittel; Matthews, who was second to Kittel in points classification, won the stage.> Primož Roglič (LottoNL-Jumbo), second behind Barguil in the mountains classification, won the following mountainous stage after a solo attack on the Col du Galibier, finishing in Serre Chevalier after a descent over a minute ahead of a four-man group containing the new top overall top three in the general classification Froome, Urán and Bardet, respectively, and also Barguil. Aru dropped from second overall to fourth. Kittel crashed and withdrew from the Tour, putting Matthews in the green jersey.