Australia and New Zealand · Public discussion

Strange Creaking Sound...

Started by Bob Incognito · · Last activity · 10 posts · 684 views

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Original section
Australia and New Zealand
Published
5 December 2003
Last activity
6 December 2003
Original author
Bob Incognito
Posts
10
Discussion status
Public discussion
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684
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  1. Firstly, I apologise to my LBS.....

    For a few weeks now my mtb had been making a strange creaking sound. It only happened when
    pedalling. I suspected it was a loose bottom bracket or pedal bearing. I swapped the pedals with a
    mates and the creaking still occurred. Off to the LBS where I bought the bike, brand new, less than
    3 weeks ago. The mechanic agreed it was probably the bottom bracket and said he'd have it back the
    next day. Anyway, 3 days later I get it back. Of course it didn't make a sound in the store but as
    soon as I got it home the creaking started again! Back to the LBS and after a heated exchange I left
    with the creaking bike in hand vowing never to return....

    I begrudgingly took it out today and hit some fire trails. The creaking sound got the better of me
    so I headed for home. Just for a change I thought I'd ride home along the road. When I got to the
    Princess Hwy I raised the seat post a couple of inches. (It just feels better to be sitting higher
    whilst on the road.....not to mention is much easier!) Anyway, once I'd raised the seat post that
    annoying creaking sound had disappeared! Unbelievable...The bike is as quiet as a mouse now...A
    lesson learned.

  2. "Bob Incognito" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    whilst on the road.....not to mention is much easier!) Anyway, once


    I'd

    Quoted message said:

    raised the seat post that annoying creaking sound had disappeared! Unbelievable...The bike is as
    quiet as a mouse now...A lesson learned.

    Common trap. We often assume that a noise when pedalling is coming from some part of the driveline.
    Your case highlights the fact that this is often not the case. My common one, but easily recognised
    now, is a loose bar clamp on the stem. It's easier to identify because it only seems to happen when
    really levering on the bars - of course it doesn't sound like it's coming from the bars..
    inconsiderate stems! ;-) Now off you go to buy lots of stuff from your LBS... ;-)

    hippy

  3. Quoted message said:

    For a few weeks now my mtb had been making a strange creaking sound. It only happened when
    pedalling. I suspected it was a loose bottom bracket or pedal bearing. I swapped the pedals with a
    mates and the creaking still occurred. Off to the LBS where I bought the bike, brand new, less
    than 3 weeks ago. The mechanic agreed it was probably the bottom bracket and said he'd have it
    back the next day. Anyway, 3 days later I get it back. Of course it didn't make a sound in the
    store but as soon as I got it home the creaking started again! Back to the LBS and after a heated
    exchange I left with the creaking bike in hand vowing never to return....

    I begrudgingly took it out today and hit some fire trails. The creaking sound got the better of me
    so I headed for home. Just for a change I thought I'd ride home along the road. When I got to the
    Princess Hwy I raised the seat post a couple of inches. (It just feels better to be sitting higher
    whilst on the road.....not to mention is much easier!) Anyway, once I'd raised the seat post that
    annoying creaking sound had disappeared! Unbelievable...The bike is as quiet as a mouse now...A
    lesson learned.

    Exactly the same thing happened to me. I thought the creaking was coming from the bottom bracket...
    got the BB replaced, but creaking was still there as loud as ever. What was really happening was
    that it was coming from seat, and probably being carried by the seat post & tube which made it sound
    like it was originating from the vicinity of BB. I had lowered my seat to give a more upright
    posture after I got back on the MTB following a major shoulder injury. I didn't realise the source
    of the squeak until I felt comfortable enough with the shoulder to raise the seat again, and
    magically the noise disappeared 🙂

  4. Get this noise all the time from the pygmy road bike, ie: it's still running cottered cranks. creakcreakcreak, plus ocassionally a strange mushy sound. Um, Bob, are you still running cottered cranks on your bike? Are you that old?😄

  5. A little vaseline smeared in the seatpost, and a little inside the tube works wonders.

    ~j~

  6. On the seatpost, rather than in it. Vaseline IN the seatpost won't do a damn thing.

    ~j~

  7. "cfsmtb" <spam@spameggs&spam.com.vic> wrote in message "]news:[email hidden]...

    Quoted message said:

    Get this noise all the time from the pygmy road bike, ie: it's still running cottered cranks.
    creakcreakcreak, plus ocassionally a strange mushy sound. Um, Bob, are you still running cottered
    cranks on your bike? Are you that old?😄

    Uh - what are cottered cranks?

    And don't answer "speak up young'in!"

    Tim

  8. "Tim Jones" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Uh - what are cottered cranks?

    You can't be that young! Even I know about them :-)

    Check: sheldonbrown.orgcotters.html

    hippy

  9. "hippy" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    "Tim Jones" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Uh - what are cottered cranks?

    You can't be that young! Even I know about them :-)

    Check: sheldonbrown.orgcotters.html

    hippy

    Oh right ;-)

    I used to have them on my bikes! I just didn't know what they were called...

    Cheers,

    Tim

  10. "gravelmuncher" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    . Vaseline IN the seatpost won't do a damn thing.


    A few of the Sydney "boys" might enjoy it

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