Listen to the full interview via the podcast

There is a growing consensus that cycling is clean after decades of revelations.

Shane Stokes of VeloNation would like to believe that the sport is entering an era of fair play. 

But tonight he told Off The Ball that caution is still the byword even when it comes to the Team Sky riders like Chris Froome and Bradley Wiggins, who have won the last two Tour de Frances.

"I've spoken to other teams who would be quite cautious about Team Sky. I don't think these teams have definite proof but there is concern within the peloton about how this team is so dominant and these riders that didn't have a great history in their early careers," said Stokes.

The Sunday Times' David Walsh, who helped to expose Lance Armstrong, was on Off The Ball recently and after a year embedded with Team Sky, he told us that he believed that their riders are clean.

Walsh's assertions received criticism from some quarters.

Stokes has concerns about the speeds in the latest Tours and is cautious about Walsh's claims.

"I think it's really dangerous to rush to judgement that the guys who have won the last few Tours are clean. David was challenged and people were saying that he pointed at Lance Armstrong's climbing speeds and said he was doping on the basis of that. David denied that was his reasoning. He also spoke about the 2007 Tour de France, Alberto Contador and Michael Rasmussen: 

"What's sad is the guy in the yellow jersey now. Alberto Contador is definitely cheating. He was asked why he could say that and he said: "Michael Ramsussen went up the Gourette-Col d'Aubisque faster than Lance Armstrong ever went up it. Alberto Contador was alongside him the whole way. The speeds the leaders go up today are just illogical."

"I don't see how you can look at that quote and then apply different logic to Froome on several climbs where he was as fast as Lance Armstrong. That's why you have to be cautious."

Stokes also touched on the 2014 Giro D'Italia which starts off in Ireland next year. Listen to the podcast for the full interview.