Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

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.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 08-03-07, 04:52 PM   #1
gigemaggs99
Member
Thread Starter
 
gigemaggs99's Avatar
 
Join Date: Jul 2007
Bikes:
Posts: 41
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
chain ring ?/noise

I have a triple chain ring on my road bike. When I am on the second sprocket on the front and it doesn't really matter which sprocket in the rear...if I pedal at a steady 80-85 rpm I get a weird "ticking" noise. It's almost like everytime my right pedal hits the down stroke it produces a "ticking" noise. If I change the chain to the smaller or larger sprocket and pedal at 80-85 rpm it does not make this same noise, it makes no noise at all. Any ideas? Any suggestions?

I have ultegra components throughout. I don't really know or think it's anything bad, it just didn't use to make this noise. I like my bike to be "quiet" on the road.

Thanks,
Gus
gigemaggs99 is offline   Reply With Quote
Old 08-03-07, 05:39 PM   #2
Gonzo Bob
cycles per second
 
Gonzo Bob's Avatar
 
Join Date: Oct 2003
Location: Minnesota
Bikes: Vitus Aluminum, DiamondBack Apex, Softride Powerwing 700, "Generic" Ishiwata 022, Trek OCLV 110
Posts: 1,790
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I'd first tighten up the chain ring bolts. If that doesn't fix it, check for a loose pedal. Then check for a loose crank bolt. Then check for loose bottom bracket. Then check for loose pedal bearings.
Gonzo Bob is offline   Reply With Quote
Old 08-03-07, 07:40 PM   #3
Al1943
Senior Member
 
Join Date: Feb 2005
Location: Oklahoma
Bikes: Trek 5500, Colnago C-50
Posts: 9,433
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
And then if you still have the tick try lubing the ends of the saddle rails.
Al1943 is offline   Reply With Quote
Old 08-03-07, 07:54 PM   #4
cny-bikeman
Mechanic/Tourist
 
Join Date: Apr 2007
Location: Syracuse, NY
Bikes: 2008 Novara Randonee - love it. Would have more bikes if I had time to ride them all. Previous bikes: 1968 Motobecane Mirage, 1972 Moto Grand Jubilee (my fav), Jackson Rake 16, 1983 C'dale ST500.
Posts: 6,433
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 97 Post(s)
OK, we need to apply some logic here. Chainwheel bolts are possible but unlikely, or it would probably happen on the large chainwheel as well. Pedal and crank bolts are out - not specific to middle ring. It has to be in the chainwheel area as it is once per crank rev. I would look for something on the large chainwheel that is hitting the chain, or a problem on the teeth on the middle chainwheel.
cny-bikeman is offline   Reply With Quote
Old 09-04-07, 05:46 PM   #5
gigemaggs99
Member
Thread Starter
 
gigemaggs99's Avatar
 
Join Date: Jul 2007
Bikes:
Posts: 41
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Ok, I checked the chainring and chain. I'm not very knowledgable on this stuff, but could it have something to do w/ the bearings? I notice it only does it once I get at or above 90 rpm. It does it more if I am applying pressure/force on my pedaling stroke(s). If I shift to a lower gear and pedal faster than 90rpm it still does it, just not as bad as when I am pedaling hard.

Any ideas?

Thanks,
Gus
gigemaggs99 is offline   Reply With Quote
Old 09-04-07, 07:15 PM   #6
neil0502
My bike's better than me!
 
neil0502's Avatar
 
Join Date: Feb 2005
Location: Northern Colorado
Bikes: (2) Moots Vamoots, (1) Cannondale T2000 tourer, (1) Diamondback Response Comp mtb
Posts: 2,041
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
You many find the following links helpful in tracking it down:

http://sheldonbrown.com/creaks.html

AND

http://www.parktool.com/repair/readhowto.asp?id=123

It's usually just a matter of patiently removing, cleaning,
re-lubricating, and re-torquing fasteners until it quiets down.
neil0502 is offline   Reply With Quote
Old 09-05-07, 04:52 PM   #7
gigemaggs99
Member
Thread Starter
 
gigemaggs99's Avatar
 
Join Date: Jul 2007
Bikes:
Posts: 41
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thank you for these links. I'm going to get to work on this, hopefully it won't be too hard to figure out.

Thanks,
Gus
gigemaggs99 is offline   Reply With Quote
Old 09-05-07, 07:11 PM   #8
biker128pedal
Senior Member
 
biker128pedal's Avatar
 
Join Date: Jan 2007
Location: Eastern VA
Bikes: Madone 5.0, Old Trek 412, Shogun 1500, Diamondback Topanga frame (Warranty replacement of broken Raleigh)
Posts: 727
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
+1 Pedal (Left side)

I had or may be still having the same problem. I fond the right side bearing I cold unscrew by hand so I grease and torqued it properly. But it end up being the left pedal even so far. I cleaned and lubed the threads and torqued the pedal correctly. I will know after a few more rides.
biker128pedal is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -6. The time now is 11:28 PM.