Interested in the nuts and bolts of streetfighter design and fabrication? Here's a great piece from design site that's worth reading just for the insights into CAD functionality. The Kawasaki Ninja custom is pretty cool, too.
Here’s the most exciting new motorcycle concept we’ve seen in a while—and it doesn’t come from an in-house design studio. It’s the work of two young English designers, Roy Norton and Tom Kasher, in a collaboration with Triumph Motorcycles and Barbour Outdoor Clothing. The base platform is the Triumph Bonneville, heavily restyled and fitted with girder forks.