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  1. #1
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    Chain/Cog making lots of noise

    Hey guys, most people say that your chain should be pretty silent when riding so when I took my bike out for a ride, I noticed a pretty noisy chain/cog on my bike. Before I never really gave it any thought but after reading about how others' fixies are "dead silent", I started thinking there was something wrong with my bike.

    Here is a video of what my chain/cog sounds like https://docs.google.com/file/d/0B7XX...it?usp=sharing

    It's a pretty new bike, only 2 weeks old, maybe 1 hour of riding on it. I made sure it was well lubed the first time but just to be sure, I cleaned the chain and lubed it again. I'm still getting that noise when riding. Can anyone offer me some kind of diagnosis on why my bike is so much louder than others'?

  2. #2
    Meta-Whiner gregjones's Avatar
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    It's a new chain that hasn't settled into the gears that it's being forced around??

    How did you clean it.

    Than might have ruined it.

    The best that a chain will ever be lubricated is the moment that it's pulled out of its packaging.
    "Lower sodium" only means that you can put mom in front of your cardiologist on speed dial.
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  3. #3
    Meta-Whiner gregjones's Avatar
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    That's the only dog I have for this fight.
    "Lower sodium" only means that you can put mom in front of your cardiologist on speed dial.
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  4. #4
    Veteran Mother****er Scrodzilla's Avatar
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    New drivetrain parts are often loud. Also, your chain is most likely too tight.

  5. #5
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    Quote Originally Posted by gregjones View Post
    Than might have ruined it..
    Chances are that's a bit over the top. He is correct though in that you shouldn't clean a new chain. So second.. how did you clean and lube your chain? (what did you clean it with and what did you lube it with). WD-40 is not a lubricant. Oil and grease do not make for a good lubricant either. At worst... you may need to just re-clean and re-lube your chain following correct procedures and using the correct stuff.

  6. #6
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    Quote Originally Posted by Scrodzilla View Post
    New drivetrain parts are often loud. Also, your chain is most likely too tight.
    Too tight gets my vote as well. That is exactly how my chain sounds when it has too little slack in it.

  7. #7
    Successful alcoholic krusty's Avatar
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    Quote Originally Posted by gregjones View Post

    How did you clean it.

    Than might have ruined it.
    Unless he cleaned it with a grinder or a hammer, it's highly unlikely he did anything that can't be corrected easily.

    Check tension and lube with a proper product. Chances are good that if you take care of those 2 things (and assuming alignment is correct), it will eventually settle in nicely as you ride a bit more.

  8. #8
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    I cleaned it with toothbrush and WD40 then wiped down with a paper towel. Then I lubed it with boeshield t9. I also only did this because it was making so much noise in the first place to see if it would fixie up

    How tight is too tight? Will a chain that is too loose make the same noise? I ask this because I loosened up the chain quite a bit - to the point where it was noticably drooping and still got the same noise.

  9. #9
    for dynamic hybrid logics prooftheory's Avatar
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    Quote Originally Posted by cnguyen0320 View Post
    WD40
    Don't do this.

  10. #10
    Successful alcoholic krusty's Avatar
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    Quote Originally Posted by prooftheory View Post
    Don't do this.
    It cleans quite nicely. After the carrier is gone, you can lube with a proper chain lube and it will be fine. Just don't rely on it for lubrication, but everyone knows that by now. I've cleaned a really filthy chain with automotive brake cleaner, just because I had some handy at the time. It also works great, and proper lubing afterward made that chain work well again.

  11. #11
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    Quote Originally Posted by prooftheory View Post
    Don't do this.
    I read somewhere that people use WD40 to clean their chains before relubing it. Is this bad?

  12. #12
    for dynamic hybrid logics prooftheory's Avatar
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    Quote Originally Posted by cnguyen0320 View Post
    I read somewhere that people use WD40 to clean their chains before relubing it. Is this bad?
    It isn't terrible as a solvent but just associating it with chains gives me the heeby jeebies. You probably would do just as well with dishwashing detergent. I just use simple green. Basically, just use anything that wouldn't get confused with a lubricant.
    Last edited by prooftheory; 07-29-13 at 03:06 PM.

  13. #13
    Wilhelm TRac's Avatar
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    If it's brand new bike, the chain needs to be broken in. But you can always just loosen it.
    Don't crash.

  14. #14
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    Quote Originally Posted by cnguyen0320 View Post
    I read somewhere that people use WD40 to clean their chains before relubing it. Is this bad?
    Its a bit over kill and unnecessary. The boeschield t9 bike lube you are using is a Solvent & lubricant mixture. It will actually flush dirt out and lube your chain at the same time. Apparently its a wax based lubricant (which i recall might not be as resilient as a teflon based lube). I use pro-link and I think its terrific. I only purposefully degrease my chain once every 500-1000 miles give or take. Every couple hundred miles ill add some prolink to the chain which flushes out enough dirt on my chain to keep things going pretty well.

  15. #15
    Meta-Whiner gregjones's Avatar
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    Quote Originally Posted by gregjones View Post
    How did you clean it.

    Than might have ruined it.
    As I stated..............I have only one dog in this fight. And I stand by that.

    If you might disagree or question it, bring your puppy on.

    - Never use acidic or alkali based detergents (such as rust cleaners), these agents can damage the
    chain and may cause breakage.
    - NEVER EVER use a so-called ‘chain washing machine’ in combination with solvent. This is the one
    and only sure way to instantly ruin your chain.
    - Avoid the use of solvents, not only are these bad for the environment, they remove lubricant from
    the chain’s bearing.

    Those statements from kmcchain.us can be read directly off of the KMC site here.

    All you have to do is scroll down to the "Cleaning" section.

    If you know more and somehow prove that you do know more about bike chains than KMC does...........please feel free to throw your puppy in the ring.

    Otherwise stay on the porch.
    "Lower sodium" only means that you can put mom in front of your cardiologist on speed dial.
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  16. #16
    Successful alcoholic krusty's Avatar
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    I only use solvents on my chain ironically.

  17. #17
    Pirate/Smuggler jlafitte's Avatar
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    One other thing that hasn't been mentioned -- if you don't wipe excess lube off a chain (after cleaning/lubing) it will attract dirt instantly, and before long the drivetrain will sound like a can full of nails rattling.

    A proverb to remember: Grease loves dirt, metal hates dirt.

  18. #18
    Veteran Mother****er Scrodzilla's Avatar
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    Quote Originally Posted by krusty View Post
    I only use solvents.

  19. #19
    crazy keeper b-ride's Avatar
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    I'm voting chain too tight as well. What you want to do is loosen your hub bolts and pull the hub back as far as you can by hand then lightly snug the bolts down. Then slowly rotate the wheel, feeling the chain until you find the spot of greatest tension. If its really tight, just back it down a smidge, to where you can wiggle the chain up and down a bit, but it doesn't feel sloppy. Tighten your bolts down and rotate that wheel again, checking for tight spots and excessively loose spots.

    "Dead silent" is a bit of hyperbole. When you're in your living room or backyard and its quiet, your chain will make noise. Once you get out on the road a properly maintained, cleaned and lubed chain will seem very quiet. As others have noted, a drivetrain takes a bit of time to "work in" and it should then quieten down a bit more.

    All I use to clean my chain is a rag. Just wipe that sucker down and apply a conservative amount of lube. If you feel like its not enough, it's probably just right.

    Finally, I buy a new chain once a year, generally in the spring or summer. Even if you are using brakes, your bike is almost wholly dependent on having a chain in good shape. For me, a year of hard riding through four seasons means its time for a new one. The last thing you want is to be cranking up a hill or trying to skid and drop your chain. You'll end up on the ground, brakes or no.
    riding a bike is NOT probable cause

  20. #20
    Senior Member seau grateau's Avatar
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    Might also just be a loud cog. Some brands tend to be noisier than others IME. Funny enough, I'm currently running some unbranded cog that I bought from Scrod's shop for a dollar, and it's one of the quietest I've ever had. *swish*
    Quote Originally Posted by adriano View Post
    thanckx.
    Quote Originally Posted by Nagrom_ View Post
    "I made love to your mother dozens of times last week, and she doesnt know what a worn chain ring looks like"

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