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Frustrating drive chain noise

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  • August 23, 2012 at 9:51 am #16644
    Marky Legs

    I have a Planet X road bike with SRAM Red rear mech running on an SRAM block with SRAM chain.

    It has been great until recently when – intermittently – it will start making a noise not dissimilar to that when you are not quite in the gear, but loader and not constant (difficult to explain).

    If I pedal backwards, it stops – for a while anyway.
    If I change gear, sometimes it stops sometimes not.

    Has anyone got any ideas what can be causing this?

    The rear mech, chain and sprocket look lined up to me.

    Mark

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Viewing 11 replies - 1 through 11 (of 11 total)
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  • September 3, 2012 at 11:04 am #696773
    0
    derek vivian

    I suspect that there could be
    I suspect that there could be some chain wear causing the noise you describe.

    August 28, 2012 at 9:57 am #696771
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    Amos

    Ok well mine is held on by to
    Ok well mine is held on by to small screws, I wasn’t referring to the H and L limit screws !!

    August 28, 2012 at 7:24 am #696769
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    RobeH

    just a thought,is the
    just a thought,is the cassette on tight might be worth checking.

    August 28, 2012 at 6:59 am #696767
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    veseunr

    Amos wrote:Is the mech hanger

    Amos wrote:
    Is the mech hanger tight? I’ve seen it a couple of times where the two small screws holding it on have loosened slightly due to lack of loctite.

    …The two small screw are for top/bottom adjustments. One big hex key bolt hold the thing on! As previously mentioned, tension screw (the one that presses against the frame) might be worth screwing down if jockey wheel close to cassette.

    August 28, 2012 at 5:46 am #696765
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    Amos

    Is the mech hanger tight?
    Is the mech hanger tight? I’ve seen it a couple of times where the two small screws holding it on have loosened slightly due to lack of loctite.

    August 23, 2012 at 6:01 pm #696763
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    colhum1

    There’s lots of experience
    There’s lots of experience here on this site but it’s always going to be difficult trying to explain/describe a noise or sensation…..
    Why not pop to you LBS and ask them to give their opinion (in the flesh, so to speak) 😕

    August 23, 2012 at 2:42 pm #696761
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    Marauder

    I would suggest checking to
    I would suggest checking to make sure the rear derailleur is set correctly before messing around.

    August 23, 2012 at 11:25 am #696759
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    Lost faith in the brand

    check your rear mech tension
    check your rear mech tension screw, are the jockey wheels really close to the cassette?

    August 23, 2012 at 11:03 am #696757
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    Marky Legs

    Hi,
    Wheels are stock Planet X
    Hi,

    Wheels are stock Planet X ones until I upgrade.

    It has been ridden in sportives and as a consequence it has suffered getting wet.

    Do you think it’s possible some water has gotten into the freewheel? Perhaps removal, clean and lube would resolve – comments please.

    Mark

    August 23, 2012 at 10:31 am #696755
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    02curtisb

    Hi Mark,
    I also have a Planet
    Hi Mark,

    I also have a Planet X frame but built up with 105. I’m sure if its the same annoying noise but i seem to get a squeak/creak when i put some power through the pedals. Mine too is intermittent and dependant on the gear im in. I initially throught it was cleats or chainset but im thinking it may be the BB.

    Let me know if you think it sounds like the same issue. or similar a least!

    Ben

    August 23, 2012 at 10:05 am #696753
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    minnellium

    Hi Mark
    What wheels do you
    Hi Mark

    What wheels do you have? The freewheel may be having problems engaging the pawls if it’s doing that and stopping when you freewheel.

    I run SRAM Red on four bikes and have never had that issue but have had something similar on a different bike with the freewheel cassette clicking after a few minutes of pressure.

    Dave

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