What is that noise? (Voting)

Workshop tales, trials and disasters.
Maintenance tips, techniques and myths.
Technical discussion, description and outright lies

What is that noise?

Chain (needs replacing)
3
7%
Chain Rings
4
9%
Bottom Bracket (needs rebuild)
9
21%
Pedals
12
28%
Cranks
1
2%
Carbon Fibre frame
0
No votes
Other
10
23%
Cycling Shoes
4
9%
 
Total votes : 43

Re: What is that noise? (Voting)

Postby AUbicycles » Tue Aug 20, 2013 10:34 pm

Did a quick check and it may well be the headset... some micro movement there... the suspense builds.
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by BNA » Wed Aug 21, 2013 10:21 am

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Re: What is that noise? (Voting)

Postby twizzle » Wed Aug 21, 2013 10:21 am

Apply front brake, push bars down, rock bike backwards and forwards. If there is any free play in the bearings, you should be able to 'feel' it in your hands as the bearings shift.
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Re: What is that noise? (Voting)

Postby laterstarter » Wed Aug 21, 2013 11:01 am

I have had similar issues in the past. Causes found have included (in no particular order):
* front derailleur cable end brushing my shoe/crank arm
* bottom bracket bearing
* rear wheel bearings starting to go
* Lezyne frame pump slightly loose
* shimano pedal bearing
* pin from repaired chain link sitting slightly proud after being snapped off and clicking over adjacent tooth in cassette particularly between the 11-12 or 12-13 cog. I always check out quick links as well now
* derailleur hanger bent after crash and gears difficult to tune.
* loose headset expander bolt, which mimicked the faulty headset bearing test mentioned by Twizzle (a bike shop guy found this in about 5 mins)

It can be really annoying and frustrating getting to the cause, particularly when the noise can't be replicated when you're off the bike.
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Re: What is that noise? (Voting)

Postby TTar » Wed Aug 21, 2013 4:15 pm

Spokes! I can't believe no one has suggested spokes yet.

I had a chain slip onto the spokes and scrunch them up ever so slightly. So slight I didn't even notice they were a little bent. I got that dreaded tick tick noise which sounded only under a load (pedaling) and at different times I thought it was coming from every part of the bike you can imagine. Trued the wheel, noise was gone.

I had to vote for "other" because unbelievably there's no "spokes" party. I feel I've wasted my vote. :cry:
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Re: What is that noise? (Voting)

Postby ProCelebrityGolf » Wed Aug 21, 2013 9:42 pm

my checklist would be

- check rear wheel quick release (I don't that's your issue, but very quick and easy to discount it)
- check headstem and headset (as suggested by previous poster)
- check seatpost (carbon paste that bad boy!)
- replace chain (last thing you can do yourself easily)
- get local shop to check BB
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Re: What is that noise? (Voting)

Postby AUbicycles » Wed Aug 21, 2013 11:18 pm

twizzle wrote:Apply front brake, push bars down, rock bike backwards and forwards. If there is any free play in the bearings, you should be able to 'feel' it in your hands as the bearings shift.


I did that and holding the headset/forks there is the micro-movement - micrometre movement however could make sense on the downstrokes that the frame pressure acts on the headseat.

In my ballpark to find the time to then get this done.
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Re: What is that noise? (Voting)

Postby Duck! » Thu Aug 22, 2013 1:52 pm

That's all it takes to make noise.
I had a thought, but it got run over as it crossed my mind.
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Re: What is that noise? (Voting)

Postby rustychisel » Thu Aug 22, 2013 7:27 pm

Duck! wrote:That's all it takes to make noise.


Is that your professional opinion or merely a randomly generated quack?
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Re: What is that noise? (Voting)

Postby Duck! » Thu Aug 22, 2013 7:28 pm

That's professional experience.
I had a thought, but it got run over as it crossed my mind.
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Re: What is that noise? (Voting)

Postby vince » Sat Aug 24, 2013 12:19 pm

front brake caliper, don't know how or why but I had installed a second hand ultegra brake set and straight away developed a similar noise so I lubed caliper bingo, no more noise. ????????????????????
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Re: What is that noise? (Voting)

Postby AUbicycles » Sun Aug 25, 2013 6:26 pm

Headset it was!

Next step is to get some carbon fibre paste and redo the seat tube, but silence has returned. Thanks for all of the suggestions.
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Re: What is that noise? (Voting)

Postby thecaptn » Sun Aug 25, 2013 6:36 pm

Any time.
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Re: What is that noise? (Voting)

Postby Duck! » Sun Aug 25, 2013 6:48 pm

:D
I had a thought, but it got run over as it crossed my mind.
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Re: What is that noise? (Voting)

Postby ProCelebrityGolf » Mon Aug 26, 2013 10:54 pm

smiles all round! good job.

personally, if it is all silent now I'd be tempted to leave everything alone!
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Re: What is that noise? (Voting)

Postby twizzle » Tue Aug 27, 2013 4:24 pm

AUbicycles wrote:Headset it was!

Next step is to get some carbon fibre paste and redo the seat tube, but silence has returned. Thanks for all of the suggestions.


Don't you wish you'd gone with the popular poll option and treated your bike to a BB rebuild?
;)
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...real cyclists don't have squeaky chains...
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Re: What is that noise? (Voting)

Postby AUbicycles » Thu Sep 12, 2013 11:53 pm

I was dreading the BB option.
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Re: What is that noise? (Voting)

Postby Duck! » Fri Sep 13, 2013 12:12 am

There isn't really much to do with press-fit BBs, the bearings are pretty snugly packed into their housings. There's a high probability of damaging the assembly when removing it from the frame, meaning more than likely you'll need to fit a new one, whether there was actually a problem or not. It's really not a well thought out concept. :| Basically, if you have a press-fit BB, check everything else first.
I had a thought, but it got run over as it crossed my mind.
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Re: What is that noise? (Voting)

Postby Tim » Fri Sep 13, 2013 8:26 am

Duck! wrote:There isn't really much to do with press-fit BBs, .... It's really not a well thought out concept.


I'm glad someone else has a similar opinion of pressed bottom bracket bearings as me.
BB30 is a pet hate of mine. The other types aren't much better in terms of serviceability, although they do appear to be more reliable than BB30.
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Re: What is that noise? (Voting)

Postby Sith1 » Fri Sep 13, 2013 3:39 pm

Where your cleat is bolted to the shoe ... check carefully that it contours the shoe perfectly.
Under force it can move microns and click . Try to remove your cleats and use something like gasket goo refit ... remove and see the fit up.
You may need to rub back the cleat in certain points to gain conformity.
Not everything mass produced with plastic is perfect from factory.
Once your cleat is fitted properly use some loctite on the screws.
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Re: What is that noise? (Voting)

Postby rustychisel » Fri Sep 13, 2013 6:05 pm

Sith1 wrote:Once your cleat is fitted properly use some loctite on the screws.


DEAR GOD NO.

Do you have any idea how many cyclists have already had to try drilling out buggered and scraped up bolts just to change a set of cleats? If you need Loctite you're doing it wrong.
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Re: What is that noise? (Voting)

Postby Duck! » Fri Sep 13, 2013 7:44 pm

rustychisel wrote:
Sith1 wrote:Once your cleat is fitted properly use some loctite on the screws.


DEAR GOD NO.

Do you have any idea how many cyclists have already had to try drilling out buggered and scraped up bolts just to change a set of cleats? If you need Loctite you're doing it wrong.

Beat me. GREASE the bolts!
I had a thought, but it got run over as it crossed my mind.
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Re: What is that noise? (Voting)

Postby The 2nd Womble » Fri Sep 13, 2013 7:48 pm

I've gone with "other" because I'm banking on Tinitus.
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Re: What is that noise? (Voting)

Postby AUbicycles » Fri Sep 13, 2013 11:40 pm

Been riding my steel frame for the last while (it would be a shame to neglect it), and if the rain stays away the Giant is back out on Sunday for the long test.

2nd Womble, glad that you still have some faith in this not being resolved though in my book it is!
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Re: What is that noise? (Voting)

Postby The 2nd Womble » Fri Sep 13, 2013 11:43 pm

It's like me, it'll keep coming back.
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Re: What is that noise? (Voting)

Postby AUbicycles » Fri Sep 13, 2013 11:58 pm

I was thinking about Tinitus.. and what if a Mozzie had tinitus, it just wouldn't get any sleep at all.
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