He's going down the mountain road so fast that it looks like he's about to hit warp drive or something. I mean, damn. It seems like one little pebble on the road or one little shift in the wrong direction and he'd be catapulted off the side of the road. But he manages to hang on at ridiculous speeds.
Arbor Skateboards shot this bit to promote their skateboards and it definitely gets the nerves going.