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Mavic Equipe front wheel bearing noise



 
 
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  #1  
Old November 10th 13, 02:52 PM posted to rec.bicycles.tech
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Default Mavic Equipe front wheel bearing noise

I have these Mavic Equipe 2009 wheels, very solid wheels lots of miles. They are making a buzzing sound after hitting a bump over 20 mph. The buzzing goes on until
I slow down. I did find play (in the bearing) with the wheel installed. I tightened the bearing, but the issue came back. I had a local bike shop replace the bearings and the vibrating bearing are back again with the new bearings. The headset is tight, no play and brakes are normal.
Anybody have any ideas?
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  #2  
Old November 10th 13, 03:20 PM posted to rec.bicycles.tech
datakoll
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Default Mavic Equipe front wheel bearing noise

bzzzzzz or hummmmmm or nnnnnnnnng ?

what pitch ?

twwwaaaaaaaaaannnnnnnnnnng ?


thhhhhhhhhrrrrrrrrrrrrrrrummmmmmmmmm ?


try loosening 6 adjacent spokes .25 turns loose....

if the noise stops, you know from where.
  #3  
Old November 10th 13, 06:30 PM posted to rec.bicycles.tech
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Default Mavic Equipe front wheel bearing noise

On Sunday, November 10, 2013 9:20:02 AM UTC-5, datakoll wrote:
bzzzzzz or hummmmmm or nnnnnnnnng ?



what pitch ?



twwwaaaaaaaaaannnnnnnnnnng ?





thhhhhhhhhrrrrrrrrrrrrrrrummmmmmmmmm ?





try loosening 6 adjacent spokes .25 turns loose....



if the noise stops, you know from where.



I would say, it feels like a brake vibration, humm (with the brakes pads clear of the rim) like a rummble strip in a car going at highway speeds.

  #5  
Old November 11th 13, 03:11 AM posted to rec.bicycles.tech
Frank Krygowski[_2_]
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Default Mavic Equipe front wheel bearing noise

On Sunday, November 10, 2013 12:30:25 PM UTC-5, wrote:

I would say, it feels like a brake vibration, humm (with the brakes pads clear of the rim) like a rummble strip in a car going at highway speeds.


Weird. Could it have something to do with contact between spokes?

I wonder if sandwiching a bit of tape between each spoke crossing might stop the noise. Not that you'd like to leave those there, but if it cured the noise, it might suggest a subsequent step.

- Frank Krygowski
  #6  
Old November 11th 13, 03:05 PM posted to rec.bicycles.tech
datakoll
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Default Mavic Equipe front wheel bearing noise

HOW KNOW THE NOISE is from a wheel ?

  #7  
Old November 11th 13, 03:55 PM posted to rec.bicycles.tech
Jay Beattie
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Default Mavic Equipe front wheel bearing noise

On Sunday, November 10, 2013 6:11:11 PM UTC-8, Frank Krygowski wrote:
On Sunday, November 10, 2013 12:30:25 PM UTC-5, wrote:



I would say, it feels like a brake vibration, humm (with the brakes pads clear of the rim) like a rummble strip in a car going at highway speeds.




Weird. Could it have something to do with contact between spokes?



I wonder if sandwiching a bit of tape between each spoke crossing might stop the noise. Not that you'd like to leave those there, but if it cured the noise, it might suggest a subsequent step.



- Frank Krygowski


The Equipe front is radially spoked. The fretting at the crossings in the rear wheel sound like very slight spoke settling in a new wheel -- not a buzz.

It sounds like a bad bearing (notwithstanding the prior replacement). As mentioned above, it could be a damaged tire. I would throw on a different wheel to rule out problems elsewhere, although I can't imagine what problems could cause a buzzing in the front end, at least not on a rim brake bike. I can get a buzzing sound when a return spring on a warn disc pad starts to contact the rotor. The other possibility are really loose spokes, but that problem would be obvious, unless all spokes loosened evenly, and it would sound like a rattle.


-- Jay Beattie.
  #8  
Old November 11th 13, 05:37 PM posted to rec.bicycles.tech
Frank Krygowski[_2_]
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Default Mavic Equipe front wheel bearing noise

On Monday, November 11, 2013 9:55:24 AM UTC-5, Jay Beattie wrote:
On Sunday, November 10, 2013 6:11:11 PM UTC-8, Frank Krygowski wrote:

On Sunday, November 10, 2013 12:30:25 PM UTC-5, wrote:



I would say, it feels like a brake vibration, humm (with the brakes pads clear of the rim) like a rummble strip in a car going at highway speeds..


Weird. Could it have something to do with contact between spokes? ...


The Equipe front is radially spoked.


Well, that kills my idea. Back to the mystery.


It sounds like a bad bearing (notwithstanding the prior replacement). As mentioned above, it could be a damaged tire. I would throw on a different wheel to rule out problems elsewhere, although I can't imagine what problems could cause a buzzing in the front end, at least not on a rim brake bike. I can get a buzzing sound when a return spring on a warn disc pad starts to contact the rotor. The other possibility are really loose spokes, but that problem would be obvious, unless all spokes loosened evenly, and it would sound like a rattle.


Datakoll does make a good point, which you confirm: It can be very hard to tell where a bike noise is coming from.

The only other thing I'll say now is that I'm really careful about fixing bike noises. Some things that sound like mild irritations can suddenly throw you.

Besides, even a benign noise, like a slight chain squeak, can add subliminal dismalness to a bike ride.

- Frank Krygowski
  #9  
Old November 11th 13, 08:08 PM posted to rec.bicycles.tech
datakoll
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Default Mavic Equipe front wheel bearing noise

loose nuts n bolts caws buzzzzzing metal plates, joints....

soon to throw you under the BUS..

cable housing rubbing....

deray guides....hnnnnnnnnngggggg....

shape is primo:

thin flat pieces buzzzz

your anvil buzzes not

bearings are more in the whhhhhhhhiiiiinnnnnnnnnggggg area first rubbing..

WHANG

ERK !

clatter clatter

bumpthump

my minilike 1100 had worn axles/frame..

mechanic asked....hear whinning noises ?
'
voice from the shop shouted not over the tire's shreading.....'

try humming

try a q-tip moistend in H2O2 in your .....ear canal.

  #10  
Old November 11th 13, 09:30 PM posted to rec.bicycles.tech
Jay Beattie
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Default Mavic Equipe front wheel bearing noise

On Monday, November 11, 2013 8:37:15 AM UTC-8, Frank Krygowski wrote:
On Monday, November 11, 2013 9:55:24 AM UTC-5, Jay Beattie wrote:

On Sunday, November 10, 2013 6:11:11 PM UTC-8, Frank Krygowski wrote:




On Sunday, November 10, 2013 12:30:25 PM UTC-5, wrote:






I would say, it feels like a brake vibration, humm (with the brakes pads clear of the rim) like a rummble strip in a car going at highway speeds.




Weird. Could it have something to do with contact between spokes? ....




The Equipe front is radially spoked.




Well, that kills my idea. Back to the mystery.





It sounds like a bad bearing (notwithstanding the prior replacement). As mentioned above, it could be a damaged tire. I would throw on a different wheel to rule out problems elsewhere, although I can't imagine what problems could cause a buzzing in the front end, at least not on a rim brake bike.. I can get a buzzing sound when a return spring on a warn disc pad starts to contact the rotor. The other possibility are really loose spokes, but that problem would be obvious, unless all spokes loosened evenly, and it would sound like a rattle.




Datakoll does make a good point, which you confirm: It can be very hard to tell where a bike noise is coming from.



The only other thing I'll say now is that I'm really careful about fixing bike noises. Some things that sound like mild irritations can suddenly throw you.



Besides, even a benign noise, like a slight chain squeak, can add subliminal dismalness to a bike ride.



- Frank Krygowski


Another cause of a buzz is a FD cable end being bent over on to the tire -- or anything contacting the tire (crap under the crown). So if he has high speed buzz, maybe its because the FD is on the big ring, and a cable is contacting the tire. You can even get a sort of buzz feeling out of a dry chain, but not a buzz noise.

You can get a sort of high frequency buzz (more like a rattle) if the compression cap on the steerer loosens, which can happen on some steerers. E.g., you put on the stem, adjust pre-load with the compression cap and lock down the stem -- and that takes some load off the compression cap, which can allow it to loosen and rattle without changing the HS adjustment. You can also get lever rattle on STI (at least the older stuff). But rattles are different from buzzes.

-- Jay Beattie.
 




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