The most expensive motorcycles, racing motorcycles, the fastest motorcycles the best motorbikes at the level of a motogp reaching high speed on race circuits the most powerful motorcycles, custom motorcycles like harley davidson motorcycles or sports bikes like ducati superleggera v4 the best motorcycles for circuits, collection motorcycles and luxury motorcycles. How about The Britten motorbike, designed by the late John Britten in Christchurch, New Zealand. Only 10 have ever been made. One crashed at The Isle of Man which leaves 9 in existence and only one still being ridden on tracks. I knew Italy had it's share of custom cars and bikes but it seems to have grown into the most preferred location for bike builders.