the 2012 tour de france winner is quitting the team in order to ride for his own squad , ` wiggins ' , before a return to the track ahead of the rio olympics .
but it was not to be as germany 's john degenkolb produced the perfect race to cross the line first at the end of a gruelling 151-mile trek which took in 27 tortuous cobbled spells .
in the end he had to settle for a place down the line in 18th as degenkolb took the glory .