You can't do any real riding.
I think this was filmed by MTBRs noahcolorado
<object type="application/x-shockwave-flash" width="400" height="267" data="http://www.vimeo.com/moogaloop.swf?clip_id=839461&server=www.vimeo. com&fullscreen=1&show_title=1&show_byl ine=1&show_portrait=0&color="> <param name="quality" value="best" /> <param name="allowfullscreen" value="true" /> <param name="scale" value="showAll" /> <param name="movie" value="http://www.vimeo.com/moogaloop.swf?clip_id=839461&server=www.vimeo. com&fullscreen=1&show_title=1&show_byl ine=1&show_portrait=0&color=" /></object><br /><a href="http://www.vimeo.com/839461/l:embed_839461">Untitled</a> from <a href="http://www.vimeo.com/user153274/l:embed_839461">NoahColorado</a> on <a href="http://vimeo.com/l:embed_839461">Vimeo</a>.