A Creak in the Creek
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A Creak in the Creek
Postby Aushiker » Wed May 07, 2008 11:29 pm
Chase, my CRX 1 which has done 5200 km has a very loud creak and I am trying to isolate it without much luck and seeking some ideas on the possible cause. Things which may help in the process:
(a) If I stand and pedal the creak goes away;
(b) Saddle is a Brooks B17
(c) Chain is worn badly and really needs replacing
The BB feels okay, no sounds of dragging or feels like it is. My plan is to swap out the seat Friday and see if that makes a difference. Other ideas?
Andrew
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Postby Aushiker » Wed May 07, 2008 11:52 pm
That one just went straight over my head I am afraidkukamunga wrote:Glucosamine and fish oil.....
Andrew
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Postby il padrone » Thu May 08, 2008 12:23 am
Alleged remedies for creaky arthritic jointsAushiker wrote:That one just went straight over my head I am afraidkukamunga wrote:Glucosamine and fish oil.....
"An unjustified and unethical imposition on a healthy activity."
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Postby Caelum » Thu May 08, 2008 12:46 am
Somewhere in the drivechain i have a creak - somewhere at the front... but everything looks to be in perfect order. Thought it may have been a loose chainring or something, but it all looks ok... only happens when i put the bike under load - higher the load, the higher the number of clicks/creaks per revolution of the crank... and it happens at certain points in the crank, like clockwork....
Thought it might be the chain, but lubed that to no avail... an almost new bike, probably done less than 500km..
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Postby tallywhacker » Thu May 08, 2008 1:16 am
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Postby Kalgrm » Thu May 08, 2008 1:29 am
+1tallywhacker wrote:had a similar thing once. Seatpost. Grease and tighten
It was a common problem on Giant MTBs for a while (still may be?).
Could also be a loose seat clamp on the rails of the saddle, or you may need to put some Proofide on the nose of the Brooks where it bends over the metal bit at the front.
Cheers,
Graeme
---------------------
Music was better when ugly people were allowed to make it ....
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Postby kukamunga » Thu May 08, 2008 7:28 am
Sounds like it could be a bottom bracket or crank/ spindle interface noise. What type are you running? May be even a pedal prob.....Caelum wrote:Somewhere in the drivechain i have a creak - somewhere at the front... but everything looks to be in perfect order. Thought it may have been a loose chainring or something, but it all looks ok... only happens when i put the bike under load - higher the load, the higher the number of clicks/creaks per revolution of the crank... and it happens at certain points in the crank, like clockwork....
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Re: A Creak in the Creek
Postby Matt_Matt » Thu May 08, 2008 8:54 am
If you have checked you seatpost / saddle already time to check your cranks.Aushiker wrote:G'day
Chase, my CRX 1 which has done 5200 km has a very loud creak and I am trying to isolate it without much luck and seeking some ideas on the possible cause. Things which may help in the process:
(a) If I stand and pedal the creak goes away;
(b) Saddle is a Brooks B17
(c) Chain is worn badly and really needs replacing
The BB feels okay, no sounds of dragging or feels like it is. My plan is to swap out the seat Friday and see if that makes a difference. Other ideas?
Andrew
And then head over to Creaks, Clicks & Clunks
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Postby Caelum » Thu May 08, 2008 9:32 am
running 105 BB/crankset.kukamunga wrote:Sounds like it could be a bottom bracket or crank/ spindle interface noise. What type are you running? May be even a pedal prob.....Caelum wrote:Somewhere in the drivechain i have a creak - somewhere at the front... but everything looks to be in perfect order. Thought it may have been a loose chainring or something, but it all looks ok... only happens when i put the bike under load - higher the load, the higher the number of clicks/creaks per revolution of the crank... and it happens at certain points in the crank, like clockwork....
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Postby Parrott » Thu May 08, 2008 9:38 am
Apparently protects against heart dysrhythmias alsokukamunga wrote:fish oil for healthy brain function
Then again, http://health.dailynewscentral.com/content/view/1130/63
Postby Hawkeye » Thu May 08, 2008 2:14 pm
On my commuter it turned out to be a loose BB. A lean on a wrench by the LBS mechanic fixed that.
On my dually, it turned out to be dirt in the seat rail sockets. A wipe and some chain lube fixed that.
On one of TooLongLegs' bikes, it turned out to be a fatigue-cracked crank. Eventually it let go mid-sprint in a bunch ride.
Usually it's something trivial. It pays to be cautious, though: the consequences of a structural failure can be decidedly non-trivial.
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Postby Aushiker » Thu May 08, 2008 2:30 pm
Also is is okay to grease carbon seat posts?
Thanks
Andrew
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Postby Aushiker » Thu May 08, 2008 3:24 pm
Thanks Bnej ... off to the LBS I go I go ...Bnej wrote:A carbon assembly paste like Ritchey Liquid Torque is a better idea.Aushiker wrote:Also is is okay to grease carbon seat posts?
Andrew
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Postby Aushiker » Thu May 08, 2008 9:50 pm
Bnej wrote:A carbon assembly paste like Ritchey Liquid Torque is a better idea.
Lets make that three and counting ... first one had no idea what I was talking about. I really try to support this LBS but this really doesn't help. Second one offered to order it in ...; third one also offered to order it in and at least asked the mechanic if they had a bit I could have without luck.... a couple to try at Freo on Saturday.Aushiker wrote:Thanks Bnej ... off to the LBS I go I go ...
Andrew
In the mean time could I use a spot of grease as a stop gap measure, assuming it is the problem?
Andrew
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Postby Bnej » Thu May 08, 2008 10:24 pm
Most bike mechanics I have spoken to don't use assembly paste, but it is the right stuff to use. Assembly paste will reduce the required tightening torque so you don't risk damaging your post trying to stop it from slipping.
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Postby GSXR1 » Thu May 08, 2008 11:46 pm
Don't know if they sell it, but Ward Cycles in Morley use it out the back in the workshop - they used it when I had issues with my carbon seatpost slipping earlier this yearAushiker wrote:Bnej wrote:A carbon assembly paste like Ritchey Liquid Torque is a better idea.Lets make that three and counting ... first one had no idea what I was talking about. I really try to support this LBS but this really doesn't help. Second one offered to order it in ...; third one also offered to order it in and at least asked the mechanic if they had a bit I could have without luck.... a couple to try at Freo on Saturday.Aushiker wrote:Thanks Bnej ... off to the LBS I go I go ...
Andrew
In the mean time could I use a spot of grease as a stop gap measure, assuming it is the problem?
Andrew
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Postby heavymetal » Fri May 09, 2008 10:38 am
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Postby Aushiker » Fri May 09, 2008 7:32 pm
Thanks for all the help. I think I have resolved the problem. Well my quick test ride this afternoon did not produce a creak.
I suspect the problem was the seat and/seat post. I am not 100% sure as I pulled the seat post out, lubed it, took the seat off, gave it a once over, replaced the chain and checked over the cranks.
Anyway fingers crossed all sorted.
Thanks
Andrew
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