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Drivetrain Noise

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Old 10-21-09, 06:18 PM
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Drivetrain Noise

It makes a sort of whirring sound which seems to be coming from either the drivetrain area or the sprocket. Is this normal? I'm pretty sure that my bike was dead quiet the first time I rode it a month or two ago. Is it a problem with my chainline?
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Old 10-21-09, 06:26 PM
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Most single speed bikes will make noise when the cranks are turning and the chain is engaging the rear cog
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Old 10-21-09, 06:40 PM
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if it has been a month or two, it might be time to clean and re-lubricate.
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Old 10-21-09, 07:23 PM
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Originally Posted by roastbeef
if it has been a month or two, it might be time to clean and re-lubricate.
I have been lubing the chain with White Lightning wax lube regularly, about once every 2 weeks. Do I need to lube any other parts?
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Old 10-22-09, 07:44 AM
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Check the chainline and the tension.
That should be about it.
All of my drive components match in width, that seems to keep things quieter.
 
Old 10-22-09, 02:29 PM
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Are you cleaning the chain when you lube it?
Is your chain too tight?
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Old 10-22-09, 02:40 PM
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"whirring" what does that sound like?
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Old 10-22-09, 02:45 PM
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If it was quiet before, then its probably not a chainline issue. Most likely it's a chain tension issue. Clean, lubricate, and get your tension correct. You should be good.

Now, if you're wrong and it was "whirring" before, then it could be a variety of things. I'd check the above first though and see how far that gets you.
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Old 10-22-09, 02:46 PM
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Every two weeks isn't that often. Why are you using wax, BTW? I would use a wet lube if I lived in SF.

Originally Posted by spcialzdspksman
I have been lubing the chain with White Lightning wax lube regularly, about once every 2 weeks. Do I need to lube any other parts?
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Old 10-22-09, 08:00 PM
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Originally Posted by Brian Sorrell
Are you cleaning the chain when you lube it?
Is your chain too tight?
That might actually be it. The chain is really taut (like 2mm dip when I press down) so I'm going to go lower the tension and see what happens.
Originally Posted by bones_mcbones
"whirring" what does that sound like?
Sounds like the chain grinding really hard against the chainring or sprocket.
Originally Posted by filtersweep
Every two weeks isn't that often. Why are you using wax, BTW? I would use a wet lube if I lived in SF.
Idk, thought I would give the wax lube a try since I heard that it wouldn't attract more dirt and grime. Maybe I don't need that here, but I thought it would be better anyway.
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Old 10-22-09, 08:20 PM
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2mm dip? sounds like its too tight. 1cm up/down is enough slack.
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