I'm back! sorry its been a mad glorious winter here in Bean town so lots of riding and not worrying about the bike... must fix that spoke as well! I also contacted de fietsfabriek (http://www.defietsfabriek.nl/) via facebook and was told I should call and they would help me out, even with my lack of language skill! I looked for an ISO number but couldn't find one (sorry funkystickman) pic of the rim required? I'm interested in figuring out the wire-on bead sort of thing, the only thing I am concerned about is trashing the tire as I remove it with out having a spare