Tantalizing Thursday Videos! June 21, 2007 By RL Policar 2 Mark Weir Pump Track. Man that guy isn’t even pedaling! Dirt Jumping Related posts: Contest: 29 inches & Rigid t-shirt It’s disgusting! My Somewhat of a Surprise Birthday Bash! Evomo, Tifosi & Titec $500 Prize Giveaway! Post navigation Previous PostPrevious Make A Derailleur Hanger Alignment ToolNext PostNext Fix Tip: Old Seat Post or Conduit