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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 07-27-07, 07:05 AM   #1
damage24
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crank clicking?

Every time I turn the crank, when the right arm hits about 1 o'clock, it makes an audible clicking sound. It doesn't do it when I'm just holding the bike and turning the crank, only when I'm actually riding. I took it to the LBS and they "went through the BB" whatever that means. It went away for about a week then came back. I don't want to take it back there because they usually have about a four-day turnaround and I don't want to be bikeless that long again.

Any ideas? I've got an 05 Giant TCR C3 with a Truvativ Rolleur crank and no idea what kind of BB.

Thanks!
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Old 07-27-07, 08:02 AM   #2
rb07
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They probably overhauled your bottom bracket. Clicking can be caused by pretty much anything in your drive train (and a few other things). Remove and grease your pedals (probably not the cause in this case, but it can't hurt), check your chainring for wear, check your chain for wear, check your rear cogs for wear. If they didn't overhaul your BB, then that's another possibility. Even your saddle can make noise that seems to be from the drivetrain.

Here's at least one link that has helped me in the past:

http://www.parktool.com/repair/readhowto.asp?id=123
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Old 07-27-07, 08:37 AM   #3
operator
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Quote:
Originally Posted by rb07 View Post
They probably overhauled your bottom bracket.
Unlikely, since there's nothing to overhaul once you pull the BB.

Quote:
Clicking can be caused by pretty much anything in your drive train (and a few other things). Remove and grease your pedals (probably not the cause in this case, but it can't hurt), check your chainring for wear, check your chain for wear, check your rear cogs for wear. If they didn't overhaul your BB, then that's another possibility. Even your saddle can make noise that seems to be from the drivetrain.
Easier just to link sheldons page: http://www.sheldonbrown.com/creaks.html

Long answer short: have patience when figuring this out. It'll be infinitely more annoying if you do not know how to, or don't have the tools to do this.

P.S You should go back and ask the mechanic exactly what he did when he said "go through your bb".
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Old 07-27-07, 09:13 AM   #4
penquissciguy
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Originally Posted by damage24 View Post
Every time I turn the crank, when the right arm hits about 1 o'clock, it makes an audible clicking sound. It doesn't do it when I'm just holding the bike and turning the crank, only when I'm actually riding. I took it to the LBS and they "went through the BB" whatever that means. It went away for about a week then came back. I don't want to take it back there because they usually have about a four-day turnaround and I don't want to be bikeless that long again.

Any ideas? I've got an 05 Giant TCR C3 with a Truvativ Rolleur crank and no idea what kind of BB.

Thanks!
This is really wierd. I've got the same problem on my stock '06 Trek 4300. Same crankarm and angle, same audible clicking noise. It only happens when I'm riding as well. I can actually feel the click in the right pedal, so I don't think it's associated with my seat or rear part of the drivetrain. I haven't had mine in to the LBS yet, so I don't have any other ideas for you. If I figure out what it is, I'll certainly let you know.

Ken
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Old 07-27-07, 09:55 AM   #5
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It is possible that the non-drive side crank arm needs tightening.
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