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  1. P

    Rear hub motor for a small urban bike

    Yeah, I know it has no big sense, put is how we have to work with it. I can't get to be expert on bike engineering in few months and having thousend of other stuff around to deal with (especially not in last 2 weeks) I wish I could, but is not the case. About the belt, yeah we are aware of...
  2. P

    Rear hub motor for a small urban bike

    But if you are still willing to discuss other aspects and help me meanwhile (even if it's not totally engineering matters). I have many more questions about e-bikes components... Rear sprockets: I need 19Teeth or 20 max. to have a decent "development" (?... not sure if it's traduced like that...
  3. P

    Rear hub motor for a small urban bike

    First, thanks so much for the interest and opinions. I think the point is to complete the product designed with components which fit on the frame and at least seem somehow workable. So no need to be too much of realistic or specific on mechanical features or difficulties. Basically we have to...
  4. P

    Rear hub motor for a small urban bike

    Hello, I'm product design student and I'm working right now on an e-bike project. Bad is that I know little about electric bikes apart of what I've been reading on internet since few months ago, so I though it would be good idea to ask more experienced people. So, the thing is that I need to...
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