[Willem Fick]

Originally Posted by HardDrive

Fabian Cancellara was accused of cheating using the system. I have not followed the matter closely.

Tour de France 2015: Cycling fears 'mechanical doping' poses increased threat to sport - Telegraph

I followed this very closely at the time, and must say footage of his performance in especially one finish-line group sprint provided a very credible smoking gun to me at least. The Cyclocross girl being found out in my mind certainly more than hints again that Cancellara was more than likely cheating.

Here's another nice link:

How Mechanical Doping Works in Cycling | Bicycling