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occasional crank (I think) squeak

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occasional crank (I think) squeak

Old 04-04-09, 10:39 AM
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daven1986
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occasional crank (I think) squeak

Hi,

So when I am riding sometimes I hear an on-off squeak which stops when I stop pedalling. If I back pedal a bit this reduces the frequency of the squeaks but they often come back. (There are no squeaks on the back pedal).

Any ideas what this may be caused by, and how do I fix it?

Thanks

Daven
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Old 04-04-09, 10:44 AM
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http://www.sheldonbrown.com/creaks.html
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Old 04-04-09, 10:46 AM
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doh! Thanks, I normally look there but forgot this time!
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Old 04-04-09, 10:46 AM
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This happened to me when I didn't had the right tool to tighten the cranks arms to the bb, and in time it becamed a bit loose. I thought it's from the chain fistly but then I tested it and nothing seemed to be wrong. So I put one hand on one pedal and the other hand on the other pedal and pressed pretty hard. Then I heard the same sound. I had to tighet the cranks harder and now everything is in order.

Maybe you have the same problem.
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Old 04-04-09, 11:10 AM
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ok it isn't my cranks. It seems to be coming from my rear wheel hub. It happens when I spin the wheel and when I turn it with the cranks.
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Old 04-04-09, 11:16 AM
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put a drop of lube on the threads of your QR skewer.
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Old 04-04-09, 11:18 AM
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thanks will give that a shot and try it out tomorrow! Should I try and get some around where the hub turns?
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Old 04-04-09, 06:02 PM
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nope, just where the threaded nut would be.
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Old 04-04-09, 06:18 PM
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I had a client, same exact problem, only coasting, annoying squeak. Turned out to be the drive side bearing seal which only rubs on the axle when coasting (its fixed to the freehub body of course). Removed the cassette, add a little chain lube only on the seals edge and it never happened again. It was an Alex 24 or so spoke hub.
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