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chain ring ?/noise

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Old 08-03-07, 04:52 PM
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chain ring ?/noise

I have a triple chain ring on my road bike. When I am on the second sprocket on the front and it doesn't really matter which sprocket in the rear...if I pedal at a steady 80-85 rpm I get a weird "ticking" noise. It's almost like everytime my right pedal hits the down stroke it produces a "ticking" noise. If I change the chain to the smaller or larger sprocket and pedal at 80-85 rpm it does not make this same noise, it makes no noise at all. Any ideas? Any suggestions?

I have ultegra components throughout. I don't really know or think it's anything bad, it just didn't use to make this noise. I like my bike to be "quiet" on the road.

Thanks,
Gus
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Old 08-03-07, 05:39 PM
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I'd first tighten up the chain ring bolts. If that doesn't fix it, check for a loose pedal. Then check for a loose crank bolt. Then check for loose bottom bracket. Then check for loose pedal bearings.
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Old 08-03-07, 07:40 PM
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And then if you still have the tick try lubing the ends of the saddle rails.
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Old 08-03-07, 07:54 PM
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OK, we need to apply some logic here. Chainwheel bolts are possible but unlikely, or it would probably happen on the large chainwheel as well. Pedal and crank bolts are out - not specific to middle ring. It has to be in the chainwheel area as it is once per crank rev. I would look for something on the large chainwheel that is hitting the chain, or a problem on the teeth on the middle chainwheel.
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Old 09-04-07, 05:46 PM
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Ok, I checked the chainring and chain. I'm not very knowledgable on this stuff, but could it have something to do w/ the bearings? I notice it only does it once I get at or above 90 rpm. It does it more if I am applying pressure/force on my pedaling stroke(s). If I shift to a lower gear and pedal faster than 90rpm it still does it, just not as bad as when I am pedaling hard.

Any ideas?

Thanks,
Gus
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Old 09-04-07, 07:15 PM
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You many find the following links helpful in tracking it down:

https://sheldonbrown.com/creaks.html

AND

https://www.parktool.com/repair/readhowto.asp?id=123

It's usually just a matter of patiently removing, cleaning,
re-lubricating, and re-torquing fasteners until it quiets down.
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Old 09-05-07, 04:52 PM
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Thank you for these links. I'm going to get to work on this, hopefully it won't be too hard to figure out.

Thanks,
Gus
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Old 09-05-07, 07:11 PM
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+1 Pedal (Left side)

I had or may be still having the same problem. I fond the right side bearing I cold unscrew by hand so I grease and torqued it properly. But it end up being the left pedal even so far. I cleaned and lubed the threads and torqued the pedal correctly. I will know after a few more rides.
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