Our brother Nol van Zwieten lives in Portland where he runs a bikeshop called Dutch Trash Choppers. Many of his bikes were shown in magazines. The man is a former off-road sidecar-racer, a drag-racer and he is now doing vintage sidecar racing. He has built all sort of bikes :Swedish style longbikes, American Highnecks, caferacers, streettrackers, vintage racers, frisco choppers, you name it, he has built it. He also makes one-off parts. Nol is now on facebook and is going to show some of his work there in the future. Look him up and become friends.