What's this sound coming from my chain?- Mtbr.com
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  1. #1
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    What's this sound coming from my chain?

    I just finished building my SS, and everything is perfect except for this one sound my chain frequently makes when under pressure... it's a kind of snap.

    I think it might have to do with the Snap-Lock link on my sram pc-1 chain, but not sure.

    could it be chainline, tight link, or what?

    thanks
    rustyb

  2. #2
    but Diggin the 1 x 14 too
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    chain noises

    Quote Originally Posted by RustyBearings
    I just finished building my SS, and everything is perfect except for this one sound my chain frequently makes when under pressure... it's a kind of snap.

    I think it might have to do with the Snap-Lock link on my sram pc-1 chain, but not sure.

    could it be chainline, tight link, or what?

    thanks
    rustyb


    ...you might try a ride with your chain SLIGHTLY looser - if the noise goes away - then start looking for the problem in the master or some other too tight link... it is Usually a process of elimination! ...also if it persists, TRY a different Chain as an experiment! you can also check for an out of round Cog or Chainring, which could occur by having UNEVEN chainring bolt tensions or mismatched spacers if you are using any on the chainring to temper alignment ...good luck!
    Last edited by 2gears=1speed; 07-31-2005 at 02:24 PM.

  3. #3
    Am I getting too bulky?
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    Why would you use a chain that's wider than your drivetrain is designed for?
    I gotta roll, can't stand still, got a flame in my heart, can't get my fill.

  4. #4
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    Quote Originally Posted by Bikehigh
    Why would you use a chain that's wider than your drivetrain is designed for?
    I have a 32T Salsa Chainring up front and a 18T cog in the back. The cog didn't come from a casset.

  5. #5
    Am I getting too bulky?
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    Unless you're running a 1/8th inch BMX cog or a custom 1/8th inch cog, then whether it came from a cassette or not is unimportant. It's a 3/32nds cog, unless you know for sure otherwise.
    I gotta roll, can't stand still, got a flame in my heart, can't get my fill.

  6. #6
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    Chain line or chain ring/cog

    When I didn't have my chain line just right, I'd occasionally get a loud popping noise. If you're able to adjust it, that could help.

    Also, what kind of chain rings/cogs are you using? I had a similar problem with ramped/pinned chain rings and cogs. The larger teeth on those not ramped/pinned helped to quiet things down.

    Quote Originally Posted by RustyBearings
    I just finished building my SS, and everything is perfect except for this one sound my chain frequently makes when under pressure... it's a kind of snap.

    I think it might have to do with the Snap-Lock link on my sram pc-1 chain, but not sure.

    could it be chainline, tight link, or what?

    thanks
    rustyb
    If you're not living on the edge, you're taking up too much room.

  7. #7
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    Bikehigh, so should I use a 8 speed chain?

    I have one handy. How would it work with the salsa chainring?

  8. #8
    Am I getting too bulky?
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    Cool-blue Rhythm

    It would work beautifully! I run a Salsa ring myself and 8 speed chains. The PC-58 is a wonderfull chain, and IMHO the PC-1 chain is all hype, and SRAM should be ashamed of themselves for even marketing the damned thing to us SSers. It's the crapiest chain in their while line uo.

    Do check your chainline though.
    I gotta roll, can't stand still, got a flame in my heart, can't get my fill.

  9. #9
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    Quote Originally Posted by Bikehigh
    It would work beautifully! I run a Salsa ring myself and 8 speed chains. The PC-58 is a wonderfull chain, and IMHO the PC-1 chain is all hype, and SRAM should be ashamed of themselves for even marketing the damned thing to us SSers. It's the crapiest chain in their while line uo.

    Do check your chainline though.
    Nice! I made the change to the PC-58, and took it for a ride around the block. Didn't hear the sound, and felt like the 'drivetrain' was more solid. I checked my chainline and it seems to be almost perfect.

    Thanks for the advice.

  10. #10
    Peace & Love
    Reputation: FoShizzle's Avatar
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    exactly what happened with my new bike. I had a Wipperman BMX 1/8" chain and had the friggin snapping.....put on a PC-58 and it was perfect. I now run, and love, the KMC Z610HX (I think that is the model) which is an awesome BMX racing chain but is 3/32" and not 1/8"....only about $15 and it rocks.

  11. #11
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    hey was anyone else's pc-58 super sticky when it came out of the box?

    maybe I should lube it before its first mtb ride?

  12. #12
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    My 9 speed chain from SRAM was super sticky when I got it.


    Don't lube it. It took me 2 months to even SEE any dirt on it...

  13. #13
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    Quote Originally Posted by standard235
    My 9 speed chain from SRAM was super sticky when I got it.


    Don't lube it. It took me 2 months to even SEE any dirt on it...
    Sweet.. thanks.

  14. #14
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    Now, when it starts collecting dust, clean it with a citrus degreaser or whatever, and use a dry lube.

    That's my recommendation though... just collects dust a bit less.

  15. #15
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    yeah, do not lube it!
    that sticky stuff is geitmo(sp?), excellent lube. sram has a blurb about it on their faq.
    Lube like you normally would when it seems like it needs some lube.


  16. #16
    They turned me loose
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    KMC 3/32, Salsa 34t and 18tDX cog. No problemo's!

  17. #17
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    Today on its would be 'maiden voyage' the SS had some mechanical issues...

    The snapping sound just got worse. So bad that it was unrideable. A guy on the trail said it was because the chain was too loose. Problem is, I can't cut it any shorter... I already ordered a Singleator due today, so I can get rid of this peice of crap Nashbar tensioner.

    let's hope the singleator has a better spring.

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