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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 09-05-09, 08:18 PM   #1
WilliamK1974
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Bent axle, or something else?

Earlier, I posted a thread about making some lateral adjustments to my rear wheel. Thanks to instructions and help from Forum posters, the wheel is more true than it has been in a long time. But I've noticed something else that doesn't seem right.

While the rear wheel is elevated and spun, it looks like the freewheel is wobbling a bit. It appears to be a regular rather than random wobble.

I felt some play in the bearings, and removed the wheel to tighten the cups and cones a bit. I tightened them just enough to eliminate the play, but the wobble is still there. I'd been sensing a clunk when I pedaled, but was unable to find the source. Now, I wonder if this is it.

So, is this a symptom of a bent axle, or is something else going on?

Thank you,
-Bill
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Old 09-05-09, 08:29 PM   #2
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Its a symptom of nothing. Go ride your bike.
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Old 09-05-09, 08:35 PM   #3
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You are likely seeing an optical trick from the ramping used on the cogs to facilitate smooth shifting from one cog to another. This can look like the assembly is wobbling side-to-side. So:

"Its a symptom of nothing. Go ride your bike."
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Old 09-05-09, 08:47 PM   #4
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Ok, if you say so lol. It's just hard not to be paranoid about things on a 20 year old bike when you're learning how to maintain it beyond keeping the tires aired up.
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