James Stewart and friends practicing on James\'s Haines City, Florida supercross track.Featuring Stewart, Sorby, Laninovich, Byrne and more.\n\nhttp://www.racerxonline.com | http://www.racerxfilms.com Billy, Byrne, Eric, James, Kawasaki, KX450F, Laninovich, Michael, Motocross, Sorby, Stewart, Supercross, Whips