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  1. #1
    Senior Member
    Join Date
    May 2007
    Location
    Vancouver, Canada
    My Bikes
    Brodie Force w/ Xtracycle, Dahon Helios, Merida Folding, Pacific Carryme, Softride Classic
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    Where to buy 59T chainring?

    I'm looking to either buy locally (in Vancouver, BC, Canada) or via internet, a 59T chainring that would fit my 2006 Dahon Helios.

    Suggestions?

  2. #2
    Senior Member
    Join Date
    Nov 2008
    Location
    Bay Area, Calif.
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    Loose Screws has 58t and 60t rings, but I don't know about 59t. I presume you need to have the exact number to get a fixed-gear setup with vertical dropouts and no chain-tension adjustment. What's the bolt circle size on your Dahon?

  3. #3
    Senior Member
    Join Date
    May 2007
    Location
    Vancouver, Canada
    My Bikes
    Brodie Force w/ Xtracycle, Dahon Helios, Merida Folding, Pacific Carryme, Softride Classic
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    Yes, the 59T x 16T is a magic gear ratio for the vertical dropouts. I do have a Surly Singleator chain tensioner if I need to do 60T.

    I need to measure the BCD (stupid me to forgot to measure last night).

  4. #4
    Senior Member
    Join Date
    May 2007
    Location
    Vancouver, Canada
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    Brodie Force w/ Xtracycle, Dahon Helios, Merida Folding, Pacific Carryme, Softride Classic
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    Got the wife to measure it while I'm at work. It's 130mm BCD. After more measuring, its not going to work since a 59T would rub against the chainstay. Back to the drawing board.
    Last edited by puppypilgrim; 04-28-09 at 11:46 AM.

  5. #5
    Senior Member
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    Mar 2008
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    What about using an eccentric bottom bracket shell such as trickstuff?
    They look good except for price tag.. :[

    http://www.trickstuff.de/index.php?p=d116en1

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