3 years ago
in English · 14,711 Views
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Reinventing the bicycle.
this is an interesting intro. ..
CarlosCastro clipped in 1 collections
I'm confused, How did they reinvent the bike? Is there a picture of it?
3 years ago·Reply
it's basically reinventing the crank. the picture of the crank system is the one above with the circles...
3 years ago·Reply