GX1000: Adrenaline Junkie, a new clip from Ryan Garshell filmed entirely in San Francisco.

You know the drill by now, the trick isn't done till you've taken a white knuckle hill bomb all the way to the bottom.

Featuring: Al Davis, Brian Delatorre, Tyler Pacheco, Ben Gore, Taylor Nida, Andrew Torralvo, Ryan Townley, Jamal Gibbs, Tony Manfre, Sean Greene, Jason van Ewyk, Jimmy Lannon, Adam Taylor and Pablo Ramirez.

Catch more GX1000 gnarliness.