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  1. #1
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    Creaking in 3 biggest cogs (X01)

    I just warrantied my X01 cassette and put the new cassette on with a new chain (XX1). On my ride yesterday I noticed creaking/clicking whenever I applied lots of power, in just about any gear (at least the 6-7 biggest cogs). I snugged my rear axle down really well and it reduced to the biggest 3 cogs when grinding up a climb.

    Everything was cleaned/greased before putting it all back together. I thought my cassette might not be on tight enough so I checked and it was to spec (40nm). What else could it be? It's obviously something to do with the drivetrain and this same setup (X01 cassette/XX1 chain) was working perfectly before I warrantied the cassette. I didn't replace my chainring, but it had maybe a half dozen rides on it so it should be fine.

  2. #2
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    Reputation: PauLCa916's Avatar
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    Check to see if your crank is still torqued to spec on your crank.
    I had a similar situation with my XX1 crank last week tuned out my crank bolt was coming loose so I had to re torque it.
    ​​
    2015 Flyxii / ENVE /Chris King Carbon 29'er H.T.
    SRAM XX1
    2012 Stump Jumper Comp 29'er H.T. SRAM XX1
    1997 Rock Hopper / Rock Shox Recon Silver / 1 x 10 SRAM X9 XO Mix XT V Brake system

  3. #3
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    Good suggestion. I just checked and it's still nice and snug torqued to spec so it's not that.

  4. #4
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    So why was your cassette warrantied? It might provide some hints

  5. #5
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    Quote Originally Posted by pharmaboy View Post
    So why was your cassette warrantied? It might provide some hints
    Tooth broke off. It still worked mostly fine and mostly silently (minor skipping in that cog), I just didn't want a cassette with a missing tooth. No issues in these cogs though.

  6. #6
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    Ok, well that didn't help at all...... ;(

    Things that have caused creaks in the drivetrain for me
    Press fit between 42 and rest of cassette failed ( doesn't creak in 42, does in 35 - will require steep hill for a torque test.

    Interface between xt driver and hub (remove , clean, refit)

    Interface between deraileur and frame

    Also cracked chainring bolts have caused a creak very similar to a cassette creak

    .??

  7. #7

  8. #8
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    I had a creaking XO1 cassette and the thing that fixed mine was greasing the pins that hold the 42 tooth cog to the rest of the cassette.
    See post 44 in the "XO1 cassette creaking" link that Slash5 posted above.
    I did that in September 2014 and its not creaked since...

  9. #9
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    Thanks for these suggestions, I'll try these.

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