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  1. #1
    johnliu@earthlink.net jyl's Avatar
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    Help w/ Dahon Boardwalk upgrade?

    I'm hoping for some advice on changing out the handlepost and handlebar on my Dahon Boardwalk. It is an older Boardwalk, bought several years ago. It has a seven-speed rear derailleur with a twist-grip shifter. The handlepost does not telescope, the handlebar clamp does not flip open (it has a quick-release that allows the bar to be rotated, a pin in the clamp portion of the handlebar fits in a slot in the clamp to keep the bar centered), and after unfolding you have to rotate the safety catch. I hope that helps identify it.

    The goal is to get a lower and more forward handlebar position.

    My tentative plan is to buy a Jetstream handlepost from Thor USA, like this one

    Handlebars, Extenders and Bar Ends

    and install a bullhorn handlebar.

    My questions are:
    1. Will this handlepost fit on my Dahon?
    2. Can I clamp the bullhorn bar directly into the flip-open clamp of the handlepost, or will I have to buy a "stem"?
    3. If I do have to buy a stem, is there one with about 80-100 mm length?
    4. Is there an integrated shift-brake lever that is pretty cheap (like Tiagra/Sora cheap), and will work with this derailleur? Either new, or something I can find used on eBay?

    Thanks!
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  2. #2
    Senior Member bhkyte's Avatar
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    Hi you might find some of the threads I have been involved in or started of help
    Brompton with dahon adroes stem extender advice

    Mezzo upgrade thread

    Little pixels thread on fitting a santori stem with qr.

    Do you want road race levers or one for straight bars?
    May have trouble you have v brakes going for a road race lever. Sora is made in either.
    Dual drive Mezzo (GOLD), Dual Drive Mezzo with bullbars (black), White Brompton thingy with Dahon Androes stem and bull bars. Birdie (old sytle) 7 speed. Downtube NS8.

  3. #3
    Junior Member
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    Hands On Bike: Technical Info and DIY Guides

    this fella upgraded most of his bike parts

  4. #4
    Senior Member bhkyte's Avatar
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    On just remembered. There is a goog dahon upgrade artical on the read this first thread.
    Dual drive Mezzo (GOLD), Dual Drive Mezzo with bullbars (black), White Brompton thingy with Dahon Androes stem and bull bars. Birdie (old sytle) 7 speed. Downtube NS8.

  5. #5
    johnliu@earthlink.net jyl's Avatar
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    61 Bianchi Specialissima 71 Peugeot G50 7? P'geot PX10 74 Raleigh GranSport 75 P'geot UO8 78? Raleigh Team Pro 82 P'geot PSV 86 P'geot PX 91 Bridgestone MB0 92 B'stone XO1 97 Rans VRex 92 Cannondale R1000 94 B'stone MB5 97 Vitus 997
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    image.jpgimage.jpg

    Here are some terrible (sorry) pics of the handlepost on my Dahon. If that helps?
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