This is a nice used Duke 390 that was purchased at GP Motorcycles. All services have been performed at GP. THE CORNER ROCKET - The KTM 390 DUKE is a pure example of what draws so many to the thrill of street motorcycling. This Corner Rocket maximizes enjoyment and user value, taking the honors wherever nimble handling counts. Light as a feather, powerful and packed with state-of-the-art technology, it guarantees a thrilling ride, whether you're fighting your way through the urban jungle or carving your name into a forest of bends.