The head of the World Anti-Doping Agency has admitted that the Lance Armstrong case is "part of a wide-ranging doping battle that will never be completely won".
John Fahey said that drug use in sport was "bubbling away below the surface" and that "there are still problems that could surface at any time".
A 30ft effigy of the disgraced cyclist wearing a Jim'll Fix It badge will be torched in front of thousands of people on Saturday night.
The UCI confirmed Lance Armstrong's lifetime ban and stripping of his Tour titles, but defended itself in cycling's "worst" doping scandal.
Nike has dropped their sponsorship deal with Lance Armstrong as the disgraced cyclist quits his own charity.