Jens Voigt ( Trek Factory Racing ) has just crested Buttertubs which , like the previous climb , is mobbed by spectators .
Those riders stuck towards the back of the bunch are again having to dismount as bottlenecks form .
Jens Voigt ( Trek Factory Racing ) has just crested Buttertubs which , like the previous climb , is mobbed by spectators and those riders stuck towards the back of the bunch are again having to dismount as bottlenecks form .