Spanish cyclist Alberto Contador is targeting a third Tour de France victory in 2017 with his new American team Trek-Segafredo and believes Team Sky will again provide the biggest challenge. The 33-year-old, winner of the sport's most prestigious race in 2007 and 2009, will ride for Trek-Segafredo from next year after spending five seasons with Tinkoff. "The Tour is the big aim and I'm going to work very hard to win," Contador, one of six riders to have won all three Grand Tours, told Marca newspaper. More...