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Thread: e-Bikes - Let's talk

  1. #1261
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    Quote Originally Posted by n18 View Post
    One kit I am eyeing is this one, but I don't know the minimum wattage needed. It's $300 and the battery is nearly $400 extra.
    That's a large heavy 48v direct drive motor with a 30a controller, with users reporting speeds up to 30mph. Given your desire to ride legally and remain at trail speeds I'd suggest their cheaper ($235) lighter 36v geared hub motor with the 22a controller, it will easily perform at 15-20mph and help you up hills, their 36v 11.6ah bottle battery is $280. For the pros and cons of dd vs geared see their blog post.
    Last edited by Dewey; 08-15-2019 at 12:47 PM.

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  3. #1262
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    dasgeh is offline Queen of Family Biking & All Things Kidical
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    Quote Originally Posted by Dewey View Post
    I think the OneMotor friction drive was supposed to fill this niche but it's expensive for such a small battery.
    This is one I've seen in the wild: https://www.geoo.com/

    In my 2 second interaction with the rider, she said she really liked it. But yeah, not cheap.

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  5. #1263
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    Thank you all for your help. I might go with the 36V/500W version. I also learned that front assist with a powerful motor is a bad idea, because the fork is not designed to be pulled in manual bikes. The motor twists it if high torque was applied. There have been reports of mostly aluminum forks breaking, and causing broken bones, but I have steel front suspension, and the kit comes with this part to reduce stress on the fork, so I might go with the front after all. I don't need a full time EBike, just for some trips.

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  7. #1264
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    Quote Originally Posted by n18 View Post
    Thank you all for your help. I might go with the 36V/500W version. I also learned that front assist with a powerful motor is a bad idea, because the fork is not designed to be pulled in manual bikes. The motor twists it if high torque was applied. There have been reports of mostly aluminum forks breaking, and causing broken bones, but I have steel front suspension, and the kit comes with this part to reduce stress on the fork, so I might go with the front after all. I don't need a full time EBike, just for some trips.
    When you do a conversion kit, do you also have to change out your tires to e-bike rated tires?

  8. #1265
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    Quote Originally Posted by Judd View Post
    When you do a conversion kit, do you also have to change out your tires to e-bike rated tires?
    Not that I know of.

    Also, I found this web page which has a simulator that tells you how fast would you go up a hill giving motor watts and hill grade.

  9. #1266
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    Quote Originally Posted by Judd View Post
    When you do a conversion kit, do you also have to change out your tires to e-bike rated tires?
    E-bike rated tires are built to withstand greater forces, and will last longer. For everyone. If you convert, you can stick with your old tires, but when those go, I recommend upgrading to really bomb-proof tires. But I recommend bomb-proof tires to everyone riding for transportation anyways. :-)

  10. #1267
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    Quote Originally Posted by n18 View Post
    I don't need a full time EBike, just for some trips.
    I have an electron wheel collecting dust in my closet. I used it a couple of times, but decided that electric bikes take out of all the fun of riding a bike. I can sell it if interested.

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