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Old 05-15-12, 04:43 AM   #1
MightyLegnano
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Very annoying tick sound in BB area

Anyone had the same problem? I can't locate the sound but I'm suspecting it comes from BB because I hear it in every rotation of the pedals. It's a very subtle but annoying sound. It happens when I pedal standing as well. Also, I can't hear it when the bike is in low gears and low rpm.
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Old 05-15-12, 04:47 AM   #2
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Lots of good suggestions for finding / eliminating various "mystery" noises here:

http://www.jimlangley.net/wrench/keepitquiet.html
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Old 05-15-12, 05:15 AM   #3
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This is wonderful! Neatly organized annoying noises and solutions! Thanks a bunch!
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Old 05-15-12, 10:38 AM   #4
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Don't rule out your pedals. Before tearing apart your BB, you could switch pedals as a test to see if the ticking disappears.

-G
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Old 05-15-12, 11:25 AM   #5
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+1 on checking your pedals. One click per revolution is a good clue. The solution can be to simply tighten the pedal into the crankarm. A pedal that is imperceptibly loose can make a click sound. Also, see if your shoe is colliding with your front derailleur cable or something like that.
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Old 05-15-12, 11:26 AM   #6
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Check Chainring Bolt Tightness

Quote:
Originally Posted by MightyLegnano View Post
Anyone had the same problem? I can't locate the sound but I'm suspecting it comes from BB because I hear it in every rotation of the pedals. It's a very subtle but annoying sound. It happens when I pedal standing as well. Also, I can't hear it when the bike is in low gears and low rpm.
This is a common cause of noises while under load. Carefully tighten them working in an alternating pattern. I've seen this a few times as a cause, particularly if the crankset was recently disassembled...but not reassembled properly.
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Old 05-15-12, 01:25 PM   #7
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Don't forget that crankarm bolts are a common source of 1-RPM clicks. Make sure they're tightened to 25-33 lb*ft torque. You can only reach this much torque by using an automotive-style ratchet wrench with at least 10" handle.
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Old 05-15-12, 01:45 PM   #8
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Quote:
Originally Posted by MightyLegnano View Post
Anyone had the same problem? I can't locate the sound but I'm suspecting it comes from BB because I hear it in every rotation of the pedals. It's a very subtle but annoying sound. It happens when I pedal standing as well. Also, I can't hear it when the bike is in low gears and low rpm.
Shoelaces?
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Old 05-15-12, 03:19 PM   #9
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Shoelaces?
+1. Also found that every so often my chain hits the front derailleur which makes a clink sound.
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Old 05-15-12, 03:34 PM   #10
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I recently had some creaking sound, found out it was my seatpost.
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Old 05-15-12, 04:21 PM   #11
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Try the pedal spindle threads. Mine had no grease on them once. They were creaking like an old metal footbridge. The rear quick release tight? Chris
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Old 05-15-12, 05:34 PM   #12
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I tightened the bolts on pedals and the crankarms and the noise is gone! So, one of you were right! Thanks a lot! I was almost certain that was BB's problem (I don't trust the cheap shimano's)

Quote:
Don't forget that crankarm bolts are a common source of 1-RPM clicks. Make sure they're tightened to 25-33 lb*ft torque. You can only reach this much torque by using an automotive-style ratchet wrench with at least 10" handle.
Those small bolts can handle that much pressure? And if you tighten them so much will you be able to unscrew them later?

Last edited by MightyLegnano; 05-15-12 at 05:37 PM.
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Old 05-15-12, 06:37 PM   #13
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Quote:
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Shoelaces?
Yep-common. Once you've heard the loose aglet tapping the chainring it's pretty easy to figure out.

-G
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Old 05-16-12, 11:35 AM   #14
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Happened to me with my then-new Secteur. Non-drive side BB cup was to blame - it had come loose.
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Old 05-16-12, 11:38 AM   #15
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My mystery noise was the factory cage sticker for mm spacing of the FD periodically hitting the chain. I laughed and laughed when I finally spotted it.
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Old 05-16-12, 03:19 PM   #16
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FD Limit screw adjustment?

Is the drive side crank arm touching the FD cage as it passes by?
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Old 05-16-12, 08:57 PM   #17
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had the same one click per pedal stroke...it was a headset that need to be regreased....yet the sound came from the BB area
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Old 05-17-12, 08:56 AM   #18
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Riding buddy had an annoying regular click (any loaded pedal attempt). We coerced him into letting me check it out. Replaced pedals-no fix. Removed cranks and reseated/tightened BB-voila. Silence.
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Old 05-17-12, 09:05 AM   #19
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+1 on tightening the pedals and crankarms, and my last ticking sound was from my left pedal, some extra tightening was all that was needed to make it stop.
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Old 05-17-12, 12:47 PM   #20
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Quote:
Originally Posted by MightyLegnano View Post
I tightened the bolts on pedals and the crankarms and the noise is gone! So, one of you were right! Thanks a lot! I was almost certain that was BB's problem (I don't trust the cheap shimano's)
Quote:
Don't forget that crankarm bolts are a common source of 1-RPM clicks. Make sure they're tightened to 25-33 lb*ft torque. You can only reach this much torque by using an automotive-style ratchet wrench with at least 10" handle.
Those small bolts can handle that much pressure? And if you tighten them so much will you be able to unscrew them later?
These are 8mm bolts, quite hefty and can handle over 10,000 lbs tension before breaking if they're chromoly. Same size as used on cylinder-head studs on motorcycles and brake-rotors. If just 6 of these bolts per rotor can haul a 500-lbs motorcycle+rider combo down from +220mph multiple times lap after lap, I think one of them can hold a crankarm on just fine at that torque. You use the same or similar tool to remove, an automotive-style ratchet wrench or breaker-bar:


The main problem is the stupid allen-key head on the bolt. Allows for wiggling and destroying the inside shape before the desired torque is reached. Much better if it was a triple-square (cheesehead) or regular hex-head bolt.
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