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  1. #1
    I am Noobert.
    Join Date
    Aug 2009
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    Katakura Porta Silk

    hi,

    I recently got a katakura porta silk fold up bike (was sitting in aunts back yard).

    Its rusted, everything is pretty bad, but im looking to make it rideable.

    The folding crank seeems like bad news, and is 'janky' when pedals.

    Does any one know the bottom bracket shell specs?

    Rear Hub Spacing?

    Sorry no pictures yet. but if you quick google search it, you'll see the handle bars. They are whack, and i want to replace the quill stem/handle bars, but the hold ones are so long. Gotta brain storm.

  2. #2
    Still moving forward.
    Join Date
    Jul 2007
    Location
    S.F. Peninsula
    My Bikes
    BF NWT
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    We will need lots of pics in order to be able to truly help you out. This is an obscure brand/model that probably very few have heard of.

  3. #3
    Senior Member badmother's Avatar
    Join Date
    Nov 2007
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    Sounds like you should buy some Oxalic acid.
    °Empty drums make a lot of noice... (Old Hungarian proverb).

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