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  1. #1
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    Reputation: mtblucas's Avatar
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    CX rear hub spacing??

    I'm planning on building my first cyclocross frame and am unsure of the rear hub spacing. Are CX bikes usually equipped with 130 or 135mm rear hubs? I know this may be a dumb question but I've looked on manufacturer websites and they don't even specify. Thanks for any help you can provide!

  2. #2
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    Reputation: dbhammercycle's Avatar
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    I think this is frame specific. I know the Rawland Sogn and Surly Crosscheck have 132.5 dropouts so you can choose a 130 road hub or a 135 mtb hub. Also, a 130 dropout can usually accommodate a 135 hub if you pull the stays apart just a little.
    No fuss with the MUSS

  3. #3
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    My new Nature Boy has 130, which is typically road rear hub size. I used a Karate Monkey for CX for a while and it had 135, typical MTB hub sizing. Like PP mentioned, it really is manufacturer dependent on what frame you are going with.

    Edit: look under the "complete build" specs sheet for what frame you are looking at(assuming yours can come as a complete) and look at what the rear hub is listed as being. That will tell you the rear spacing for your frame if you can't find it under the frame only specs.

    Edit Edit: Oh, YOU are building the frame yourself? Then it just is whatever you want for a hub really.
    2010 Surly Conundrum
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  4. #4
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    CX rear hub spacing??

    Cool, thanks guys. I think I'll go with the typical road spacing of 130mm. The more I research, it seems like many cx wheelsets are also labeled as road wheelsets. There should be lots of options that way.

  5. #5
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    all the disc bikes will be 135 spaced.

  6. #6
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    If you're looking to go disc, I would go 135mm. If not, it doesn't matter which you choose.

  7. #7
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    Reputation: Eric Malcolm's Avatar
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    You build to the hub that you will use. Rim brake = 130mm. Disc = 135mm. If using disc, 135mm means you have the whole selection of mtb hubs to choose from.
    IMO, 132.5mm is a half way where you can option either way, pinch your frame slightly to 130 or open it a little to 135mm, got it?

    Eric
    If I don't make an attempt, how will I know if it will work?

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