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Thread: Hub width

  1. #1
    Grumpy Old Bugga europa's Avatar
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    Hub width

    I'm toying with a concept at the moment - new bike complete with 'justifications' for 'needing' it

    I'm leaning towards a fixed gear but with provision to fit gears if I decide it was a really daft idea. I ride fixed now so I know what I'm getting into, which is why I want to go fixed but recognise that for the intended use, gears may haunt this bike's future.

    Anyways, that's irrellevant.

    The question is:
    If I buy a frame that'll take gears, the rear fork will be spaced to **whatever the number is** which is wider than the 120mm of a track frame. In building the wheel, do I just use a track hub and spacers or are there fixed hubs designed for the wider frame.

    Remember, this is all conceptual at this stage so theoretical discussions are cool, and the bike will be built from new bits, not old stuff recycled.

    Richard
    I had a good bike ... so I FIXED it

  2. #2
    Noah from EighthInch eighthinch.com's Avatar
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    Quote Originally Posted by europa View Post
    The question is:
    If I buy a frame that'll take gears, the rear fork will be spaced to **whatever the number is** which is wider than the 120mm of a track frame. In building the wheel, do I just use a track hub and spacers or are there fixed hubs designed for the wider frame.

    Richard
    All the wheels we sell are 120mm spacing but the axle is long enough to go out to 126mm or 130mm. For 126mm you just take 2x3mm spacers and install them under the outer nut. Since the formula hubs we use are sealed you don't have to worry about adjustment. For 130mm it is just 2x5mm. Hope that helps.
    -Noah from EighthInch.com
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    eighthinch.com everthing fixed gear
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  3. #3
    mermaids are nocturnal Nightdiver's Avatar
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    Surly and Phil Wood both make 130mm track hubs.

  4. #4
    tcs
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    Palmer tcs's Avatar
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    Quote Originally Posted by europa View Post
    ...gears may haunt this bike's future.
    SRAM and Sturmey can fix you up with 3- and 5-speed gear hubs that will slot right into 120mmOLD fork ends.

    A couple more months and Sturmey will have their S3X three speed fixed hub on the market.

    HTH,
    tcs
    "When man first set woman on two wheels with a pair of pedals, did he know, I wonder, that he had rent the veil of the harem in twain? A woman on a bicycle has all the world before her where to choose; she can go where she will, no man hindering." The Typewriter Girl, 1899.

    "Every so often a bird gets up and flies some place it's drawn to. I don't suppose it could tell you why, but it does it anyway." Ian Hibell, 1934-2008

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