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Old 09-12-05, 01:53 PM   #1
fmw
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The latest "ticking" mystery solved.

I thought you might get a kick out of this. I've been trying to track down a ticking noise from around the BB/pedal area for a couple of weeks. The BB shell doesn't need facing. The faces are parallel. The BB doesn't need torquing and neither do the cranks. I tried about every combination of settings possible. The pedals were tight and recently lubed. The strange thing about the ticking is that it appeared only when I spun pretty quickly - 100 rpm or faster. It didn't matter which gear I was in. It just seemed to be related to the rpm's on the crank.

I finally found it this morning. The cause was the plastic ratcheting closure on my road shoes. When the pedals got going fast enough, it would slap against the side of the shoe and cause the ticking sound. As I eliminated possible causes, I finally taped the closures on the shoes and immediately I had perfect silence. Sometimes noises on the bike can be caused by the most bizarre things.
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Old 09-12-05, 02:01 PM   #2
timmhaan
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Originally Posted by fmw
Sometimes noises on the bike can be caused by the most bizarre things.
no doubt. the problem is the sound doesn't always seem to be where the problem is.

i once thought i had a headset problem and spent hours looking into it. turns out it was the little nut that goes on the presta valve of the tire. it was loose and was rattling.
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Old 09-12-05, 07:36 PM   #3
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I recall another thread where the poster said he actually took a ride in tennis shoes to eliminate any possibility of the cleats making the noise. I've got to know, how did you figure out what was causing it?

Steve W
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Old 09-12-05, 07:42 PM   #4
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I had a "pedal popping" noise that happened under slow cadence at the same position with each crank rotation. Turned out to be my left kneecap.

Al
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Old 09-12-05, 08:17 PM   #5
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I recall another thread where the poster said he actually took a ride in tennis shoes to eliminate any possibility of the cleats making the noise. I've got to know, how did you figure out what was causing it?

Steve W
I eliminated all the possibilities on the bike itself. After I concluded that the noise wasn't part of the bike, I started twisting my foot in different directions while pedaling and discovered that the noise went away when I had it twisted a certain way and would reappear when I let loose. So I put a big piece of duct tape over the tops of each shoe to see if that might narrow it to the cleats. The noise disappeared completely.

I'm not sure I know how to eliminate the noise but, at least, I'm not concerned about it any more. They are Sidi shoes and they have a ratcheting strap that closes over the top of the foot. Perhaps if I cut some of the end of the straps, that will be enough to stop the ticking.
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