Saw this and thought it was worth sharing since there was a bunch of Tweel talk on here awhile ago.
http://www.core77.com/gallery/images/materialica2007_exhibition_031_avb.jpg
Looks like its for motorcycles but i'd imagine if it was ever used for bicycles it would look pretty similar...
http://www.core77.com/gallery/images/materialica2007_exhibition_031_avb.jpg
Looks like its for motorcycles but i'd imagine if it was ever used for bicycles it would look pretty similar...