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  1. #1
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    Frame Spacing and Fixed Gear Hub Question

    Okay so I just ordered some wheels with 120mm fixed gear hubs, assuming that my Univega Supra Sport frame (which I'm converting to a fixed gear if that wasn't apparent) had 120mm spacing for the dropouts. Stupid, right? Well I measured the spacing today and it turns out it's 124mm. The wheels haven't come yet so I haven't tried to install them, but do you think the 124mm spacing will cause a problem? If it does would I be able to add washers or something to fill the space?

  2. #2
    Senior Member
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    if it's any consolation for you..keirin frames are spaced 123mm for 120 + 1.5 (tensioners on each side)

  3. #3
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    Quote Originally Posted by jdms mvp View Post
    if it's any consolation for you..keirin frames are spaced 123mm for 120 + 1.5 (tensioners on each side)
    Sorry but I have to be a n00b and ask what tensioners are exactly. And could I get tensioners that are 2mm?

  4. #4
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    Quote Originally Posted by lexpieces View Post
    Okay so I just ordered some wheels with 120mm fixed gear hubs, assuming that my Univega Supra Sport frame (which I'm converting to a fixed gear if that wasn't apparent) had 120mm spacing for the dropouts. Stupid, right? Well I measured the spacing today and it turns out it's 124mm. The wheels haven't come yet so I haven't tried to install them, but do you think the 124mm spacing will cause a problem? If it does would I be able to add washers or something to fill the space?
    Yes, appropriately sized washers on both sides (so you won't have to redish).

    Here are some chain tensioners.

  5. #5
    ¡Senor Member! time bandit's Avatar
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    chain tensioners on a univega conversion. is this board ****ing ********? dude, washers work. bolt that **** on and ride it. /thred.

  6. #6
    fails just as quickly thequickfix's Avatar
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    You can just install the wheel as-is. 4mm is not too much for a steel frame to handle. If you do decide to respace, be sure to put the washers between the bearing cones and the locknuts...(LBS).
    Takin' the first bus out of Shell Town

  7. #7
    Track Tricyclist kidtwisty's Avatar
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    most of the conversions you're gonna see on this site or other places aren't gonna be using spacers
    and the majority of those old road frames have spacings of 126mm.
    so dont even worry about it, your wheels will be fine as is.

  8. #8
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    Quote Originally Posted by time bandit View Post
    chain tensioners on a univega conversion. is this board ****ing ********? dude, washers work. bolt that **** on and ride it. /thred.
    I can't even begin to tell you how much this cracked me up.

    Thanks for your help guys!

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