Alberto Contador has 39-second lead going into third and final stage of Tour de France . Saxo Bank extends his advantage over Andy Schleck in 52km time trial near Bordeaux . Denis Menchov of Russia moves into third place overall ahead of Andy Schleck . Schleck 's Saxo Bank teammate Denis Menchov wins stage in fine style .
Alberto Contador has 39-second lead going into 20th and final stage of Tour de France . Contador extends his advantage over Andy Schleck in 52km time trial near Bordeaux . Denis Menchov of Russia moves into third place overall ahead of Samuel Sanchez . Schleck 's Saxo Bank teammate Fabian Cancellara wins stage in fine style .