2017 KTM 350 SX-F THE ULTIMATE COMBOSince Tony Cairoli first took a 350 SX-F to the top of the MX1 World Championship in 2010, the Red Bull KTM athlete has dominated the class aboard this nimble but powerful bike with five consecutive World Championship titles. No surprises here, with the combination of 450-class muscle and the agility of a 250. Who said you can't have everything?