Motorcycle USA Posted July 16, 2007 Report Share Posted July 16, 2007 The Rockstar Energy Drink U.S. Open announced that for the first time ever the AMA Supercross class and the AMA Supercross Lites class will be combined into one `open' class at Las Vegas' MGM Grand Garden Arena October 12-14.More... Quote Link to comment Share on other sites More sharing options...
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