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  1. #1
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    Tire clearance problem on Origin-8 Mixer

    Hi everyone,
    I'm building up an Origin-8 Mixer frame for my girlfriend, since one of her requirements was a low top bar. However, now that I'm building it up, I'm realizing just why the frame is so damned cheap compared to most mixte's. The small crossbar between the seat stays seem to be welded almost an inch too low. The website claims that the frame clears 700x52, but I'm having trouble with a 32, and probably even a 25. Are there any solutions to this problem?

    Bike is upside down in this picture

    Just for future Origin-8 Mixer buyers -- the front brake requires a long-reach brake with 700c wheels, but the rear brake is regular. There's no indentation in the chainstay where the chainring would be, so buy a wide bottom bracket! And unless this frame is defective, plan to use 700x23c wheels, and don't be heavy :-p

  2. #2
    Senior Member bikeman715's Avatar
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    you sure a 700c wheel goes in there and not a 650c ? one of the thing we do with woman's bike is to use small wheels , most of the time it the front but it could be the rear. Terry's Bikes are known for doing such a thing.
    bikeman715

  3. #3
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    http://www.origin-8.com/?p=304 Fourth line on the page: "It can clear 700 x 52c or 29 x 2.1″ tires"
    The front fork definitely wouldn't have a problem, and two out of the three rear crossbars wouldn't have a problem...

  4. #4
    Senior Member bikeman715's Avatar
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    how far back is the wheel going into the dropouts ? will there be more room it if the wheel goes all the way into them ?
    bikeman715

  5. #5
    You gonna eat that? Doohickie's Avatar
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    Quote Originally Posted by jamesshuang View Post
    http://www.origin-8.com/?p=304 Fourth line on the page: "It can clear 700 x 52c or 29 x 2.1″ tires"
    The front fork definitely wouldn't have a problem, and two out of the three rear crossbars wouldn't have a problem...
    Contact Origin8 and show them pictures to show what the problem is. Could be a tooling error on that particular frame build put the cross piece in the wrong spot.
    I stop for people / whose right of way I honor / but not for no one.



    Originally Posted by bragi "However, it's never a good idea to overgeneralize."

  6. #6
    Senior Member himespau's Avatar
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    bummer, I'd had thoughts in the back of my head about building one of those up for my wife as I think the frames go up to 56 cm which is rare in a mixte.
    Punctuation is important. It's the difference between "I helped my uncle, Jack, off a horse" and "I helped my uncle Jack off a horse"


  7. #7
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    Quote Originally Posted by bikeman715 View Post
    how far back is the wheel going into the dropouts ? will there be more room it if the wheel goes all the way into them ?
    The dropout direction means that the wheel is mostly equidistant from that crossbar regardless of how far back it is. I'll try contacting origin-8 and see what they say. Fortunately, they do provide a phone number. I'll give it a try later...

  8. #8
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    Well, as a quick update for everyone -- the bike shop that I bought the frame from got back to me. I sent him a picture, and he confirmed that this frame was welded wrong. He's sending me a new frame asap!

  9. #9
    Senior Member mrrabbit's Avatar
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    Wow...and it somehow left the factory.

    I mean, I can see small stuff sneaking out...but this is major really.

    =8-)
    4000+ wheels built since 1984...

    Disclaimer:

    1. I do not claim to be an expert in bicycle mechanics despite my experience.
    2. I like anyone will comment in other areas.
    3. I do not own the preexisting concepts of DISH and ERD.
    4. I will provide information as I always have to others that I believe will help them protect themselves from unscrupulous mechanics.
    5. My all time favorite book is:

    Kahane, Howard. Logic and Contemporary Rhetoric: The Use of Reason in Everyday Life

  10. #10
    Senior Member himespau's Avatar
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    Quote Originally Posted by jamesshuang View Post
    Well, as a quick update for everyone -- the bike shop that I bought the frame from got back to me. I sent him a picture, and he confirmed that this frame was welded wrong. He's sending me a new frame asap!
    Would you mind sharing where you bought it? Even though that makes 2 people now that I've heard having problems with it (the other just didn't like the welds), I'm still thinking about it and am wondering about who I could go through that'd work with me on a replacement if I ended up with a welding problem too.
    Punctuation is important. It's the difference between "I helped my uncle, Jack, off a horse" and "I helped my uncle Jack off a horse"


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