seized nipples
 

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[Closed] seized nipples

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recently got a used road bike and its got a bit of a wobble in the rear. i wanted to true it up but the nipples are seized up. is there a simple way to free them or is it as i suspect just something to put up with til i need a new rim


 
Posted : 25/01/2015 6:22 pm
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Seized when using a spoke key or have you also tried with a nipple driver?

Past truly seized spoke I had, I cut it out with pliers and replaced.


 
Posted : 25/01/2015 6:49 pm
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spoke key i dont have a driver. they are all stuck


 
Posted : 25/01/2015 6:50 pm
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Screwdriver instead of driver? Can't see how a driver would help since in theory (?) during the build the spoke would have come through the nip too far for the driver to engage. Or have I missed something?


 
Posted : 25/01/2015 6:57 pm
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You're buggered, basically.


 
Posted : 25/01/2015 7:35 pm
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New spokes and nipples throughout if you want to save hub and rim.


 
Posted : 25/01/2015 8:00 pm
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thought so i'll leave it as is for now cheers all


 
Posted : 25/01/2015 8:03 pm
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Problem Solvers holy driver, middle tool in this pic. it's got a slotted end that goes around the spoke and just interts into the edge of slot on the nipple

Probably not cheap but maybe you can knock up something similar with a hacksaw and an old screwdriver or driver bit!


 
Posted : 25/01/2015 8:11 pm
 tomd
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Have you tried WD40/PlusGas/Light Oil? Even if it doesn't penetrate all of the thread it will lube the nipple-eyelet interface and reduce the force to get it to turn.


 
Posted : 25/01/2015 8:11 pm
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No guarantees, but i've had success in the past with holding a big(150w+) soldering iron on them prior to turning them. Will probably be more effective on aluminium than brass.


 
Posted : 25/01/2015 9:14 pm
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Try mole grips on the nipples, it might be enough to get the wheel straight, if not just cit the spokes of and rebuild.

Have you tried this?

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Posted : 25/01/2015 9:25 pm
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How far will a spoke twist if the nipples are seized? Just wondering as I have a loose spoke and have turned the nipple 180 degrees and it never budged, is twisting a spoke that much ok?


 
Posted : 25/01/2015 10:20 pm
Posts: 54
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A twisted, wound up spoke is not a tight spoke, it will just unwind pretty quickly and lose its tension.

I wish I could say the same for some twisted wound up people I know 😉


 
Posted : 26/01/2015 8:30 pm
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Had this a lot when I was a bike mechanic. Take the rip tape off. Put a drop of plus gas in the top of each nibble. Hold it upright for a few seconds to let it sink in. Repeat for each spoke. Leave over night. Use a good spoke key (Spokey with double insert ideally) and try again.

If that fails you'll need new nipples and possible spokes.


 
Posted : 26/01/2015 9:30 pm

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