Team Sky's Bradley Wiggins insists he is capable of a podium finish at the Tour de France as the 2011 race draws ever nearer.

The Olympic gold medallist finished fourth in the 2009 race with Team Garmin-Slipstream, raising hopes of a similarly strong finish in 2010.

But in Team Sky's debut year Wiggins failed to make an impact on the race. This year Wiggins is in superb form and believes he has yet to reach his peak at the Tour de France.

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