I've been following this thread since I'm interested in pedal power for light hauling around my property and/or for powering a well pump.
This is a friction drive arrangement (not very efficient) in view of the need to keep the tire on the bike. It might be better to have another bike, or parts of one, that could use a chain drive to the generator.
The other thing is that wear on a sidewall will shorten the tire life.
Ray Mac
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