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Here’s another image: https://c1.staticflickr.com/3/2667/3693218848_3e53db3d64_z.jpg?zz=1
Looks like there’s a cable that spins the rear wheel when one presses down.
How do these work? It looks like there a reciprocating mechanism of some kind but I don’t see any sort of chain that acts as a driveshaft.
those look sick as fuck, tho turning quickly is probably not their strongest point
Makes me want to read The Diamond Age again
