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  1. #1
    26 tpi nut. sailorbenjamin's Avatar
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    Are all solid axles bent?

    Not that big a deal I guess but I'm rebuilding a crumby old mountain bike for a neighbor to commute on and I went through every hub in my junk pile trying to find a straight axle. Not one.
    No biggy, the LBS has them for a couple of buck, brand new. I get home, put it in and voila! It's bent, right out of the box
    I have spoken.

  2. #2
    Ellensburg, WA scozim's Avatar
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    I was beginning to think so last weekend and found one donor one from another wheel that wasn't bent. The one I took out was bent on both ends about where the nut tightens up to the frame.
    1984 Gitane Sprint; 1984 Gitane Tour de France;1982 Trek 610; 1980's Univega Supra Sport; 1975 Teledyne Titan;1984 Peugeot PSV10N; 1968 Peugeot PL8; ;1982 Nishiki Marina 12; 1977 Peugeot PX-10; 1987 Trek 800 Antelope (touring/commuting set up); 1981 Trek 510; 1993 or 1994 Scott Comp Racing mtb; 1996 Klein Pulse II mtb; 1980's Peugeot Limestone hybrid;

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  3. #3
    Get off my lawn! Velognome's Avatar
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    No, some are snapped in two

  4. #4
    Senior Member VeloBrox's Avatar
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    My '78 tandem for some reason had thin 10x1 axles, they were bent beyond recognition. But the thick axles on the many gaspipe commuters I've rebuilt have always been straight.

    A cup-and-cone hub is usually self-aligning to some degree and can handle slightly bent axles. Won't be optimal, of course, but they can handle it.
    -------------------------------------------------------------------------------
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  5. #5
    Senior Member Captain Blight's Avatar
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    Good Lloyd I think you're right. It might be related to how almost all used MTBs are purple.
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  6. #6
    MIKE is my name! puchfinnland's Avatar
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    purple! yea- I got at least 5 purple ones behind the shed!
    My name is Michael, and I am a recovering bike addict, It has been 11 months since I purchased a bicycle for myself..
    (Im bound to fall off the wagon again, its just a matter of time)
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    "Some cream crackers, a glue *** and a little imagination can turn any domestic cat into a fearsome Stegosaurus."

  7. #7
    Senior Member
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    Quote Originally Posted by sailorbenjamin View Post
    No biggy, the LBS has them for a couple of buck, brand new. I get home, put it in and voila! It's bent, right out of the box
    How are you determining that it has a significant bend? I'd think it would have been most obvious right when you picked it up at the LBS or before you put it into the hub.

    The comment that you only noticed the bend after you installed it makes me wonder if you're seeing the usual (and normal) slight wobble of the freewheel which is unrelated to the straightness of the axle. It's been awhile since I had a bike with a solid axle, but I don't remember any problem getting a straight replacement when the one on my old Schwinn Varsity snapped.

  8. #8
    26 tpi nut. sailorbenjamin's Avatar
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    Well, my eyes aren't good enough to see some of the bends while holding the thing in my hand but when I roll it across my kitchen counter top you can definitely see that it has an eccentric roll (I'm pretty sure it's not the counter top. I can also see it when it's in the hub and I spin it. The freewheel isn't on yet but you can see the deflection, in this case just less than a millimeter.
    I had an axle that was bent mostly on one side once and I was trying to true the wheel and I'd get it perfect and the unwittingly rotate the axle a little while installing it in the fork and the rim would hit the brake shoe. I'd true it up again and install it and it would happen all over again. When I finally figured it out I tried turning the axle all the way round with the wheel in the dropouts and the rim would drift all the way from one brake pad to the other.
    It's a lesson I have to relearn every time I rebuild a cheap bike. I'm building fewer and fewer cheap bikes but I do have friends who can't afford anything better.
    I have spoken.

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