Its not a funny bike.
Rims (and/or complete) wheels are still available since they are still used for recumbents. Might take a good LBS to set you up though. Tires are also still available.
jim
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Cross Check Nexus7, IRO Mark V, Trek 620 Nexus7, Karate Monkey half fat, IRO Model 19 fixed, Amp Research B3, Surly 1x1 half fat fixed, and more...
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SB forever