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Ticking noise from wheels
I have a "ticking" noise coming from one of my wheels - still can't tell
which one, but I _think_ it's the front. I'm having trouble finding out what is causing it. This is a new touring bike with 36 spoke "Ambrosio Evolution" wheels and Veloce hubs. The noise only occurs when I'm riding, and it happens whether or not I'm peddling. It definitely sounds like spoke noise to me, but I checked and all the spokes seem to be tight. The sound seems to occur once per wheel revolution. Can anyone tell me how to find the cause of this, and how to stop the noise? Thanks for any help. -Keith |
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Ticking noise from wheels
Keith Boone wrote in message e.rogers.com...
I have a "ticking" noise coming from one of my wheels - still can't tell which one, but I _think_ it's the front. I'm having trouble finding out what is causing it. This is a new touring bike with 36 spoke "Ambrosio Evolution" wheels and Veloce hubs. The noise only occurs when I'm riding, and it happens whether or not I'm peddling. It definitely sounds like spoke noise to me, but I checked and all the spokes seem to be tight. The sound seems to occur once per wheel revolution. Can anyone tell me how to find the cause of this, and how to stop the noise? Thanks for any help. -Keith Here are a few suggestions that you may have already tried, but which might help others who hear a noise that seems to be independent of pedaling, appears to coincide with each spin of the wheels, might be coming from the front or the back, and is driving you crazy. Try to determine which wheel causes the noise by spinning each wheel by hand after flipping the bike upside down or suspending it in a workstand. This is also good time to check that it really isn't the rim ticking against a brake pad, a slightly off-round rear tire nicking the excess cable from the front derailleur, or a front tire scuffing a bent fork, to name a few of the more embarrassing explanations. If hand-spinning doesn't re-produce the noise, then the problem may appear only under normal loading, which suggests bearings, cones, spokes or even a strangely defective tire and rim combination. To test each wheel separately under a normal load, swap the front wheel onto another bike and see if the noise follows it to the new bike. If not, try swapping the rear wheel to another bike. You can probably skip any careful adjustments of the brakes or gears. You just need to be able to roll along on a flat, quiet, safe place with your weight on the wheel that you've isolated. If the noise comes from the front wheel when spun by hand, a speedometer may be the culprit. The spoke magnet may be physically ticking the fork sensor, or the sensor itself may have become louder than usual. (Many sensors emit a faint but audible noise as they trigger.) If the noise comes from the rear wheel when spun by hand, a plastic spoke protector may be causing it. A 36-spoke wheel uses a round guard that is held in place with only three tiny prongs. If any prong breaks or cracks, the plastic disk may make odd noises. A 32-spoke wheel is a little more robust because it uses a 4-prong guard. Another source of rear wheel noise can be a derailleur that, due to wear or damage or weak springs or mis-alignment, just barely ticks against a spoke when running the chain over the largest rear cog. Patience will eventually isolate the noise. Before sticking a playing card in the spokes to cover it up, console yourself with an example of an odd noise that no bicycle can match: a rare congenital anomaly of the muscles that move the human eye can cause a faint clicking noise when the patient looks to either side as one muscle slides over instead of under the other. The patient is often unaware that eyeballs do not normally click, while the doctor is often relieved to hear the faint clicking through a stethoscope pressed against the perfectly sane patient's temple. Harborfreight.com and most auto-supply stores will happily sell you a mechanic's stethoscope whose end is better suited to diagnosing inanimate ailments. |
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Ticking noise from wheels
Keith Boone wrote in message e.rogers.com...
I have a "ticking" noise coming from one of my wheels - still can't tell which one, but I _think_ it's the front. I'm having trouble finding out what is causing it. This is a new touring bike with 36 spoke "Ambrosio Evolution" wheels and Veloce hubs. The noise only occurs when I'm riding, and it happens whether or not I'm peddling. It definitely sounds like spoke noise to me, but I checked and all the spokes seem to be tight. The sound seems to occur once per wheel revolution. Can anyone tell me how to find the cause of this, and how to stop the noise? Thanks for any help. -Keith Since your bike is new, I forgot an obvious possibility. Search for "rust" and "nipple" and "Jobst Brandt" in rec.bike.tech and you'll find his brief, excellent explanation about rust at the nipple-rim junction causing crunchy noises. Your bike may be new, but new parts can rust quickly. |
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Ticking noise from wheels
Do you have a wireless computer fitted? Mine (a VDO C10+) "ticks" every
time the fork-mounted part sends an impulse to the handlebar unit. -- -------------------------- Posted via cyclingforums.com http://www.cyclingforums.com |
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Ticking noise from wheels
kboone- I have a "ticking" noise coming from one of my wheels - still can't
tell which one, but I _think_ it's the front. I'm having trouble finding out what is causing it. BRBR Oil each nipple as it goes into the rim. Peter Chisholm Vecchio's Bicicletteria 1833 Pearl St. Boulder, CO, 80302 (303)440-3535 http://www.vecchios.com "Ruote convenzionali costruite eccezionalmente bene" |
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Ticking noise from wheels
"Keith Boone" wrote in message .rogers.com... | I have a "ticking" noise coming from one of my wheels - still can't tell | which one, but I _think_ it's the front. I'm having trouble finding out | what is causing it. | | This is a new touring bike with 36 spoke "Ambrosio Evolution" wheels | and Veloce hubs. The noise only occurs when I'm riding, and it happens | whether or not I'm peddling. It definitely sounds like spoke noise to | me, but I checked and all the spokes seem to be tight. The sound seems | to occur once per wheel revolution. Can anyone tell me how to find the | cause of this, and how to stop the noise? Thanks for any help. | | | -Keith | Common sources of "ticking" noise at wheel that haven't been mentioned so far: --- crud/junk inside the rim --- a loose retaining nut on the inner tube's stem Jean |
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Ticking noise from wheels
Nick.Marshall wrote:
Do you have a wireless computer fitted? Mine (a VDO C10+) "ticks" every time the fork-mounted part sends an impulse to the handlebar unit. -- -------------------------- Posted via cyclingforums.com http://www.cyclingforums.com Yes, I do have a wireless computer attached. It's a Specialized... can't remember the model number. I never thought the computer sensor could make a noise - that's very strange. (It's not the magnet on the spoke - I checked for that.) I guess the quickest way to for this would be to simply remove the magnet - then nothing will activate the sensor. |
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