Racer X Tested: 2012 KTM 450 SX-F Factory Edition February 22, 2012, 4:20pm Matt Francis Home Multimedia Video Racer X Films Racer X Tested Racer X Tested: 2012 KTM 450 SX-F Factory Edition David Pingree rides Ryan Dungey's new bike, the 2012 KTM 450 SX-F Factory Edition, at Cahuilla Creek MX.
