Vegas U.S. Open Pit Access - Dirt Rider Magazine

The Rockstar Energy Drink US Open is here (in Las Vegas that is) and Dirt Rider photo wizard Chip Morton is snooping around the MGM Grand property looking for cool stuff like James Stewart's 2010 Yamaha YZ450F! Here's a few snippets of his discoveries...Check out the blog section at for USSX updates throughout the weekend!