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Originally Posted by patentcad
(Post 10591557)
How about you just grease the friggin bolts and re-torque which takes about 4 minutes?
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I had a clicking/metal rubbing together sound at the same point every pedal stroke, and always when under load or climbing. Took FOREVER to figure out out. Turns out, the headset bearings were completely trashed, and the noise I was hearing was the bearings rolling around freely in there, which is more noticeable when Im using the bars more. The shuddering of the front end while descending under heavy braking should have tipped me off, but I just thought it was the cheap pads I have, and just resolved to go more slowly, and replace pads when they are starting to get worn.
Check yer headset bearings to make sure they are all good. |
Originally Posted by knobster
(Post 10591569)
I guess. If it was my bike, I'd like to know exactly what was causing this. I'd hate to find out it was something defective going 45mph down a mountain.
By the way, on bicycles, you usually only find out what is defective at speeds over 25 mph. Ask G. Hincapie about that. Or me. If you're lucky the catastrophic failure happens going 7 mph up a 14% grade hill. That is where this snapped: http://i4.photobucket.com/albums/y11...armsnap908.jpg I was happy it didn't happen going faster. As it was I got a nasty contusion on my arm, no broken bones. |
Yep, could be the headset too, but on a newer bike, probably the stem bolts.
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Originally Posted by patentcad
(Post 10591478)
I had a similar noise on my new Scott. I loosened all the stem bolts (4 in front where it holds the handlebars, 2 in back where it grabs the steerer tube). Greased all the bolts, spray lubed the interface between stem and bars/steerer tube, re-torqued all of it. The bike is now silent.
One way to narrow it down to this cause is this: climb out of the saddle, listen for the noise. Then sit down and gently rest your hands on the bar tops. If the noise goes away when seated, it's probably the stem creaking against the bars or steerer tube. Another common cause is loose QR levers front and/or rear. Make sure they're very tight, see if that helps. Third thing is pedals/cleats. Remove pedals from crank arms. Clean thoroughly. Grease, re-torque. Clean and spray lube or lightly grease pedal cleats and interface. Another creak source: the seat rails against the seat post. The seat post against the frame. Disassemble, clean thoroughly, lightly grease (this varies with the seat post/frame material, check with your LBS on this latter move before you do it). I have had success eliminating maddening creaks with all of the above, or combinations thereof. It's not hard to get persistent creaks on brand new bikes (my Cervelo's seat post against frame creak was when the bike was six months old too). I've been doing this for a long time, learned all this through experience and input from my LBS, and of course, St. Sheldon, RIP. a pcad post with content... so when can I expect Armageddon? :innocent: |
The title of this thread makes me uncomfortable.
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Originally Posted by PedallingATX
(Post 10591321)
it always creaks at the bottom of the pedal stroke. The bottom of each crank arm's pedal stroke...so twice per full rotation. Chainring bolts and pedals appear to be fine, though I haven't taken the pedals apart and they are some old school Look Keos (very old school...)
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Originally Posted by Caad 8
(Post 10591622)
The title of this thread makes me uncomfortable.
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alright, I took off the stem faceplate and greased all the bolts before putting them back in and installing properly. Still making the noise.
Next step: I'm going to apply some grease to my cleats and see if that will help. Keep y'all updated. |
did you lightly grease the surfaces of the front skewer/fork? and make sure theyre pretty tight....
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yeah, i put some grease on my fingers and applied just a thin layer to the steerer tube. I even put a new ROLF QR on the front wheel. If the pedal thing doesn't work, I'm just gonna make an appointment at the bike shop and have them listen while I mash on a trainer.
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Originally Posted by PedallingATX
(Post 10593198)
yeah, i put some grease on my fingers and applied just a thin layer to the steerer tube. I even put a new ROLF QR on the front wheel. If the pedal thing doesn't work, I'm just gonna make an appointment at the bike shop and have them listen while I mash on a trainer.
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Originally Posted by Caad 8
(Post 10591622)
The title of this thread makes me uncomfortable.
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Originally Posted by JacoKierkegaard
(Post 10591483)
You may be trying to put your post in the wrong tube. Try using more grease when you attempt the installation.
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Originally Posted by hurley.girl
(Post 10593576)
Your not the only one. This made me cringe. The OP should know there are women who read this forum who don't appreciate comparing a creaking bike to what sounds suspiciously like ****, especially since the comparison was clearly intentional.
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Originally Posted by patentcad
(Post 10591642)
Imagine how she feels.
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Bottom bracket creaking.
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Originally Posted by Daytrip
(Post 10593689)
I think locating the right tube is the only solution. It's not rocket science--there are books. You might be able to get the wrong one to work, but it won't fix the problem.
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Originally Posted by midgetmaestro
(Post 10593692)
So what that the OP wasn't politically correct? It's a joke and nothing else.
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Heres alot of info on a 'creaking drivetrain'
http://www.parktool.com/repair/readhowto.asp?id=123 My Left carbon crank (FSA) creaks whenever i stand on it, weather the pedal is at 9 oclock or 3 oclock. I have a feeling that its because of the crank arms taper hollowing out (am i using the correct terms here?) I am on a mission to find a new set of cranks and BB for my bike. Hopefully this will remedy my problem. :twitchy: |
Naw, it's not appropriate. Would you tell that joke to your Mother or Grandma?
I'm closing this thread down.
Originally Posted by midgetmaestro
(Post 10593692)
So what that the OP wasn't politically correct? It's a joke and nothing else.
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