Antigravity Batteries is proud to sponsor Chad Wienen! One of the top riders in ATV Motocross, Wienen continues to impress with his many accomplishments, most notably being a 5X AMA Pro ATV MX Champion! (He is also the second person in AMA MX history to win four consecutive Pro ATV titles.) Chad is owner of Wienen Motorsports, an elite AMA ATV Professional Motocross team that competes in the AMA ATV National MX Circuit. Check out their website for the schedule on upcoming races, or to learn about their riding schools.