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12-03.-2008, 12:40 PM
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#1 |
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Registered User
Join Date: Jan 2007
Posts: 5
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Noisy Drive Train
 I've got a Shimano 105 equipped bike (Specialized Allez Comp Triple) that I've been riding for two years now. I just got it out for my first ride of the year and I noticed a "bird whistle" like noise coming from the chain and sprockets. I've associated this with a dirty, greasy drive train in the past. But, that's not the case this time. I've got a new chain on, and the chainrings and cassette are as clean as I've ever had them. Does anyone have any ideas what this noise is? |
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12-03.-2008, 01:01 PM
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#2 |
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Registered User
Join Date: Mar 2004
Location: Sydney, Australia
Posts: 2,075
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Re: Noisy Drive Train
This is probably a dry jockey/idler wheel bearing - 105 is notorious for this. Strip down both bearings and regrease them. Note that the wheels and their bearing components are not interchangeable.
__________________
"All that we see and seem is but a dream, within a dream..." |
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12-03.-2008, 01:04 PM
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#3 | |
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Registered User
Join Date: Jan 2007
Posts: 5
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Re: Noisy Drive Train
Ah... Excellent--thank you!
Quote:
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12-03.-2008, 01:05 PM
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#4 | |
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Registered User
Join Date: Jan 2007
Posts: 5
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Re: Noisy Drive Train
Quote:
Ah... excellent. Thank you! |
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