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Creaky sound coming from crank

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  • September 11, 2017 at 12:33 am #27621
    Jeffpastor4

    Had the bottom bracket replaced & still get annoying creaking sound under load especially in lower half of cassette & small ring, crank set has 15k+ miles…. bad bottom bracket or new crank set?

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Viewing 15 replies - 1 through 15 (of 15 total)
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  • September 15, 2017 at 1:37 pm #902117
    0
    LastBoyScout
    LastBoyScout wrote:
    I also have a suspicion the freehub is shot, as it’s still got another issue with noise under load.

    It wasn’t the freehub – rear mech was very slightly out. 1/2 turn on the adjuster and it’s all good.

    September 15, 2017 at 1:02 pm #902115
    0
    Simboid

    I thought I had a creaky

    I thought I had a creaky crank or pedal, after an expensive service didn’t cure it google suggested it might be my cleats. It was! Moving them inboard all the way got rid of it.

    September 15, 2017 at 3:03 am #902113
    0
    n_g

    Since you mentioned the lower

    Since you mentioned the lower half of the cassette — it’s possible that the cassette itself is creaking. I had a creaking sound that I thought was from the BB or crank, but it was only noticeable on the 3 largest cogs of the cassette. It went away after lightly greasing the part of the hub that touches the cassette, and tightening the cassette locking to the proper torque.

    September 14, 2017 at 10:25 am #902111
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    LastBoyScout

    One of my bikes has been

    One of my bikes has been making a creaking noise in exactly the same part of the pedal stroke. Turned out to be the pedal bearings.

    I also have a suspicion the freehub is shot, as it’s still got another issue with noise under load.

    September 13, 2017 at 7:28 pm #902109
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    drjohn

    I’ve had a creaky pedal

    I’ve had a creaky pedal thread in the past.

    I used a more waterproof grease and Bang! the creak is gone…

    September 13, 2017 at 6:38 pm #902107
    0
    OR_biker
    Duncann wrote:
    OR_biker wrote:
    I had gotten a thread-together adapter for my CAAD8 (BB30), but after a while the creaks came back.  I did some tests to try to isolate the bottom bracket (i.e. had wheels off the ground and pressed laterally on the cranks) and I was sure that it was still the thing causing it.  Then I finally got a new wheelset last week, and the creaking is gone…  go figure 🙂

    QRs…?

     

    I’m thinking now that’s a possibility.  The older wheels are Fulcrum 5’s and the skewers have external cams.  I have some extra Shimano internal-cam QR’s from an even older set of wheels that are still in great condition (the QR’s, not the wheels 🙂 ), if the creak comes back whenever I decide to throw the Fulcrums back on I’ll try swapping those out to see if they help.

    September 13, 2017 at 11:23 am #902105
    0
    Dnnnnnn
    OR_biker wrote:
    I had gotten a thread-together adapter for my CAAD8 (BB30), but after a while the creaks came back.  I did some tests to try to isolate the bottom bracket (i.e. had wheels off the ground and pressed laterally on the cranks) and I was sure that it was still the thing causing it.  Then I finally got a new wheelset last week, and the creaking is gone…  go figure 🙂

    QRs…?

    September 12, 2017 at 7:53 pm #902103
    0
    OR_biker

    I had gotten a thread

    I had gotten a thread-together adapter for my CAAD8 (BB30), but after a while the creaks came back.  I did some tests to try to isolate the bottom bracket (i.e. had wheels off the ground and pressed laterally on the cranks) and I was sure that it was still the thing causing it.  Then I finally got a new wheelset last week, and the creaking is gone…  go figure 🙂

    September 11, 2017 at 8:30 pm #902101
    0
    ktache

    I have had bottom bracket

    I have had bottom bracket creaks that turned out to be seatpost creaks.  

    September 11, 2017 at 8:26 pm #902099
    0
    matthewn5
    Duncann wrote:
    Is it definitely the cranks? I’ve never had it but I’ve read a few accounts of how crank-like creaks were finally traced to rear wheel skewers… seems odd but might be worth 30 seconds of your time to check/grease yours.

    The creaks I had on my Colnago turned out to be the titanium skewers I’d added in. They don’t grip the drop outs tightly enough. Replace them with proper internal-cam skewers. Noise all gone!

    The other time it turned out to be loose chainring bolts. And another time the saddle squeaking on the rails. Hunt around!

    September 11, 2017 at 1:09 pm #902097
    0
    Goldfever4

    Echoing Duncann, it can be

    Echoing Duncann, it can be surprising where the creak actually originates from. I’ve found success cleaning out my seatpost / seat-tube before.

    September 11, 2017 at 1:00 pm #902095
    0
    Dnnnnnn

    Is it definitely the cranks?

    Is it definitely the cranks? I’ve never had it but I’ve read a few accounts of how crank-like creaks were finally traced to rear wheel skewers… seems odd but might be worth 30 seconds of your time to check/grease yours.

    You may have a square taper BB –  the cranks’ inner taper faces sometimes wear so that there’s a bit of movement and creaking. It’s difficulto to see and resolve (with light attention from a file) but might be worth removing the cranks and looking at how they’ve worn, then cleaning and replacing them. Whether the tapers should be greased is a matter I dare not raise (try Google).

    September 11, 2017 at 6:12 am #902093
    0
    Jimthebikeguy.com

    Yep, consider investing in
    Yep, consider investing in either a wheels manufacturing threadfit adaptor, or one of the enduro bearings ones. Both last lifetimes without creaking.

    September 11, 2017 at 5:47 am #902091
    0
    CXR94Di2

    There are many press fit
    There are many press fit conversion adapter s. They screw together to create a one piece bearing set, usually with replaceable bearings.

    Or like many riders sick to death of pressfit BB bought a bike with good old English threaded bearings.

    September 11, 2017 at 1:11 am #902089
    0
    Paul7189

    Is it a press fit bottom

    Is it a press fit bottom bracket? If so then you can try removing the bearing cups, greasing them up and pressing them back into the frame. Its probably a job for a bike shop if you dont have the correct tools. Press fit bottom brackets are famous for creaking. 

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