Pre-WW2 Czechoslovakia (I think) 'Bents (and other things)

I like the small wheel 'bents (in the first 58 seconds of the video).
Also note that there is a bike very much like what became the "standard"
SWB 'bent configuration in the US in the 1990's.

http://www.youtube.com/watch?v=jdlpJqHxLxk.

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Tom Sherman - 42.435731,-83.985007
I am a vehicular cyclist.