REIMS, FRANCE – JULY 07: The yellow bike of race leader Fabian Cancellara passes with the peloton along the 153.5km course in stage four of the Tour de France on July 7, 2010 in Reims, France. A relatively flat stage, the route featured only one category four climb. Italian Alessandro Petacchi with the Lampre team won the stage in a sprint finish. Swiss rider Fabian Cancellara of team Saxo Bank has kept hold of the yellow jersey while Lance Armstrong sits in 18th place overall. The iconic bicycle race will include a total of 20 stages and will cover 3,642km before concluding in Paris on July 25. (Photo by Spencer Platt/Getty Images)