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Converting a Dahon Curve D3

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    Converting a Dahon Curve D3

    For those of you not familiar with this bike, the specs are right here: http://dahon.com/bikes/curve-d3/

    I have this bike and I'd like to make it electric. Has anyone successfully done so? From Googling it seems like it's quite difficult, but I'm hoping for better news. My budget for a kit is around $2000 including the battery.

    I'd love any suggestion for a conversion kit. Thanks!

    #2
    16" wheel, seems not to difficult. What's the glitch?

    Small hub motor or mid drive.
    http://foldingbike.biz/Dahon-Curve-D...tor-9aH-Batter

    Any 16" front wheel kit, Brompton kits ought to be fine. Same with BBS 02. I'd lean towards a simple 36 front geared motor. Not a fast bike but a sweet ride without a ton of weight. It'd be a fun little build. Green Bike Kit, eBikes.ca, and a number of sources have some perfect parts.
    Last edited by Louis; 07-08-2016, 06:45 PM.

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      #3
      Yes a mid-drive would work I suppose. It just looks a bit intimidating to install on my own, as a complete beginner.

      I was mostly referring to this thread when I googled - http://www.pedelecs.co.uk/forum/thre...nversion.8984/

      Looks like the person had a tough time finding a motor that'd fit the wheel.

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        #4
        The problem is finding a front hub motor to fit the fork of the Dahon (74mm) and generally aluminum .. two immediate issues with a Curve .. I'd probably be looking at friction drive for that bike.. mainly because it's light and unobtrusive .. there are models that click on and off to the bb.. friction drive has it's issues, but for a D3, the advantages would probably outweigh the faults.. you could run a mid drive, but your chainline will be bad with the narrow rear triangle spacing.. and I wouldn't want BBSxx type power on un-suspended 305 wheels .. will beat you up pretty good..

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          #5
          Crystallite 209

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            #6
            http://www.ebikes.ca/catalogsearch/result/?q=MNSM13F16
            3 left

            They have two complete Brompton kits that are prefect fits for the front.
            Last edited by Louis; 07-10-2016, 08:28 AM.

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              #7
              Front fork on a Brompton is steel.. much better starting platform than the Dahon aluminum front fork.. especially if considering 300 to 500 watts ..

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                #8
                I have front motors on several aluminum forks with high quality dual torque arms. No problem with that power level. No problem with two torque arms, with up to 750W in my experience.

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