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  1. brunomchd94

    $22 motor for ebikes. What do you think?

    I saw this ad on Aliexpress (http://s.aliexpress.com/fYFRzQN7?fromSns=) where they sell a 288W / 24V DC motor for 22 dollars. I thought about buying it and using it as a friction drive on the wheel of my bike. Since it has 12000 rpm, I would have to make a reduction of an average 1:60 to get 250...
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