The Triumph Speed 400 and the Harley Davidson X440 are as different as chalk and cheese, but they are priced similarly and operate in the same modern-retro motorcycle segment as the Royal Enfield Classic 350. Now, we have tested the Speed 400 and the X440, and in this video, Suvil Susvirkar and Vikrant Singh tell you which one of these should you buy? And whether or not Royal Enfield should be worried.