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chain noise

Old 10-07-15, 06:23 PM
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chain noise

It's a slight grinding sound but that maybe makes it sound worse than it is.
Anyway, my chain makes noise.
it's worse in some gears than in others.
It's a week since I had the deraillers adjusted at the lbs. it shifts fine,
but I did notice the sound that evening when I took my daily ride.
I could bring it back but that's a pain.
I cleaned and lubed the drive train so that's not it.
I suspect it's some kind of minor tweak.
Any suggestions?
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Old 10-07-15, 06:38 PM
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Maladjusted derailleur. Most likely front. Try adjusting the stops.
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Old 10-07-15, 07:49 PM
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Ask your LBS to check it again. Some shops offer a limited time satisfaction guarantee. My local shop (Fort Worth Cycling and Fitness) offers 30 days on their basic checkup and tune up.

They did a safety check and basic tuneup on my used, new-to-me bike in early September. Everything worked fine for a couple of weeks. Then some slight chain noise started, and within a day or so the shifts between the smallest and middle chain wheel became erratic. Since the tune up had a 30 day guarantee I dropped back by the shop over the weekend. The mechanic made some adjustments, had me ride it around to be sure it was okay. Problem solved crisp shifting restored. No charge, although I bought some little somethings anyway (tire levers and patch kit) - I always try to buy a little something from any local independent retailer after any visit if they spend some time with me.

My best guess: My bike hadn't been used for a couple of years before I bought it and showed some minor rust in the chain, sprockets, etc. After lubing everything it took a week or two for the lube to fully penetrate and slightly changed the relationship of the moving bits. And maybe a cable stretched a little.

So, now that I know what a good adjustment feels like I need to relearn how to do this stuff myself (it's been 30 years since I did almost all maintenance, repairs and parts replacements on my own bikes).
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