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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 10-08-10, 09:50 PM   #1
apotek
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Need help with my fixed gear, weird ticking noise issue..

Hello everyone;
I am new to fixed gear and to the forum. I have a question to ask. I've been having this weird ticking noise comming from either the bottom bracket or rear wheel. These are the things I noticed.

I hear the ticking noise when I am pedaling while I am on the bike (it doesn't happen when the bike is on the stand and I turn the pedals with my hand)
I hear the noise almost always at the same position of the crank set.( ticking happens when the left crank is at the back)
I hear the noise when I put pressure on the pedals.(If I am on downhill and put no pressure on the pedals I don't hear any ticking)
And I only hear it when I am going slow..when I speed up there is no ticking.

It may not bother most people but this started to happen for the last 2 days and it bothers me so much :-) before that it was so smooth and there was no noise at all. I am guessing it might be the bearings of the bottom bracket but then it should make the same noise when I turn the pedals while the bike is on the stand. or could it be flip flop hub (maybe the free wheel cog is making the noise??)

does anyone have any idea what this could be??or any suggestions where to look..it is really difficult since this doesn't happen when I am off the bike and I can examine so much while I am riding..

just so you guys know, I am 29 and I've been riding bikes since 6 but this is my first fixie and I had it for few months only. And I love it :-)

Thank you very much..
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Old 10-08-10, 10:01 PM   #2
rustybrown
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Hello, welcome to SSFG.

From the basic description, one might consider a bottom bracket overhaul. And you cannot forget the pedal spindles. Though, as Sheldon Brown says, it could be your shoelace tips hitting the crank.

A little more information about your particular bicycle would also help to discern the problem.

Are you rocking a sealed BB, or a cup and cone BB?
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Old 10-08-10, 10:30 PM   #3
apotek
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First thing I thought was the shoelace but that's not at all, there is nothing hitting anywhere. How can I know if it is a bottom bracket overhaul (in fact I don't even know what that means). I thought about pedals as well but it doesn't seem like it. I have spare pair of pedals which I will try tomorrow to see.

as far as info about the bike, to tell the truth I've got the bike from a friend and it is build by him but he is no longer here so I can't ask him brands and such..I believe it is a cup and cone bb, but I am not sure so sure...


by the way thank you very much for trying to help me..

Last edited by apotek; 10-08-10 at 10:43 PM.
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Old 10-08-10, 11:06 PM   #4
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Quote:
Originally Posted by apotek View Post
(maybe the free wheel cog is making the noise??)

does anyone have any idea what this could be??or any suggestions where to look..it is really difficult since this doesn't happen when I am off the bike and I can examine so much while I am riding..
If you think it might be the freewheel, you could immobilize it. Maybe wrap a piece of tape over the outside of the freewheel and around the spokes on either side. Then it can't move while the wheel turns.

Quote:
Originally Posted by apotek View Post
as far as info about the bike, to tell the truth I've got the bike from a friend and it is build by him but he is no longer here so I can't ask him brands and such..I believe it is a cup and cone bb, but I am not sure so sure...
Compare what you have to this: http://sheldonbrown.com/gloss_bo-z.html#bottom

Last edited by 1nput0utput; 10-08-10 at 11:07 PM. Reason: fixed spelling error
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Old 10-08-10, 11:30 PM   #5
apotek
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It is definitely cub and cone style..and according to other threads and sites and like the rustysbrown suggested I feel like it is bottom bracket overhaul. I hope that it is not so bad that I have to replace the whole bottom bracket. My LBS overhaul charge is 20 bucks...I am pretty handy and try to do it myself but I don't have the tools (grease, spinner, lock ring wrench etc) and the tools would cost more then 20 so I will probably take it to the shop...however I still want to make sure it is the bottom bracket before I take it there.

This site is so helpful though :-) can anyone think anything else might be causing these problem??
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Old 10-08-10, 11:51 PM   #6
Squirrelli
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It could be loose chainring bolts...tighten those down.
It could be the eccentricity of your chainring/cog, which causes a variation in chain tension and it'll click. It's a common problem, Sheldon Brown has a method to fix that.
It could be your chain, clean and lube.

FWIW, I have a loose ball bottom bracket and it actually spins smoothly...it is not likely that it is causing the noise.
(Note: I have my own tools to maintain it though. )
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Old 10-09-10, 12:59 AM   #7
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My thoughts: Remove your pedals and grease the threads on the spindle. Also, are these MKS pedals? If so, you may want to try greasing the bearings.

One random notion is that it could be saddle creak. I think I read here on BF or another bike list about someone going mad trying to track down what they thought was a drivetrain-related click, only to find out that it was his saddle. He greased the rails and the clicking went away. Good luck!
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Old 10-09-10, 10:37 AM   #8
apotek
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My pedals are VP platform with sealed bearings, they are kind of new so I wouldn't think they are the problem. I recently lube the chain and tried to adjust the drive train the way Sheldon Brown recommended. However 2 of the chainring bolts weren't so tight (you cant move it with your fingers but when you turn it with hex wrench it turns on both side) because I didn't have the proper tool but I will do that tonight since I got the tool today. It is not the saddle because I ride while standing up and it still makes the same clicking...it is almost something hitting something on to frame, it is a very sudden and obvious, it is certainly coming from bottom bracket, pedals or drive train..it is not from the rear wheel or front or anywhere else...

I am going to try to find out till next week, if not I am going to LBS and see what they say..I am just affraid to damage the BB if that's the problem.

Thanks for all the help..
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