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Squeak, Squeak, Squeak

Old 06-01-17, 07:19 PM
  #1  
Bad Lag
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Squeak, Squeak, Squeak

I have developed a squeak in my bike and it is causing me some concern.


I am almost positive it is coming from the seat (1975 Brooks Pro). While riding seated, it squeaks. If I stand up off the seat, it stops.


Ever "heard" of this (, pun intended). Ever had it and fixed it? If so, how?


Is this the precursor of a broken saddle? Is it the frame/rails? Is it the leather? Is it the tension adjuster in the nose?
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Old 06-01-17, 07:23 PM
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Saddle rail clamp bolt, saddle angle-mount bolt or seat-tube bolt. What else is there???
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Old 06-01-17, 07:24 PM
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You sure it isn't just the seatpost bolt or bolts?
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Old 06-02-17, 05:29 AM
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I'd pull and regrease the post, then then either just tighten the bolt holding the saddle or maybe remove and clean the clamp and rails and reinstall
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Old 06-02-17, 05:47 AM
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Could be the bottom bracket, and standing up adds more pressure stopping a vibration inside the BB. What's to squeak in a saddle?
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Old 06-02-17, 06:00 AM
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With a Brooks leather saddle it can squeak where the leather is against the cantle, or tensioner nose piece, both are metal against the stiff leather. Wife had a B-17 that did this back in the late 70s, time softened up the leather against the places in contact. No idea how you could place softener between them, perhaps @rhm will be along, Rudy probably has the complete answer to the squeak problem with saddles and seat posts.

Bill
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Old 06-02-17, 07:36 AM
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Originally Posted by Bad Lag View Post
Ever "heard" of this (, pun intended). Ever had it and fixed it? If so, how?
One of my B17s would squeak every time I went over a bump and didnt lift up out of the saddle a bit.
It came from where the rails lock onto the seatpost clamp.
I loosened the bolt, tossed on a slight bit of grease, and retightented. Hasnt made a sound since. I would guess the grease actually wasnt really needed and just resetting the bolt would have been enough.
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Old 06-02-17, 09:31 AM
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My Brooks Pro used to have a creak in the nose. The fix is warm up a can of proofide, take off the saddle and turn it upside down, drip some melted proofide between the leather and the nose cantle piece using a small brush. Let it soak in, reinstall, and you should be golden. This is a known issue and a known fix.

Never had a problem with the rails of any saddle creaking where they clamp the post, but I guess it's possible. I've never greased them.

Of course, make sure your seatpost and seatpost bolt etc are greased first. Well greased.
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Old 06-02-17, 09:55 AM
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I don't have complete confidence the squeak is in your saddle; taking your weight off the saddle changes many things on the bike, any of which could be causing the squeak. That said, let's assume you are right and the saddle is the issue:

I rather doubt the problem is between the leather and the frame, unless there are obviously loose rivets (and there usually aren't).

It could be that the rail is coming loose where it was swaged onto the cantle plate. I've seen this several times, and it is difficult to fix. A friend fixed such a problem by welding it very quickly, using water to protect the leather. It wasn't pretty, but it worked. On my old Fujita Pro I was able to tighten up the swage a little with a hammer and punch, but I still consider that saddle retired.

Could also be the shackle bolt is loose. You'd notice this, though. A quarter turn of the nut should deal with that.

And of course it may be the seat post clamp. A little grease or a little leather spacer in the right location would deal with that.
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Old 06-02-17, 11:30 AM
  #10  
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Thanks, guys, I'll look into it further and may try all the remedies mentioned. I, too, am not 100% it is from the seat or seat post but that's my best guess right now. It doesn't have any particularly metal-on-metal sound, so I was thinking it's leather on metal.


This is my fear - if the leather degrades/tears under the big rivets, it can move. As you ride, the bouncing loads and unloads the leather causing it to move under the damaged, now-enlarged rivet hole.


I tightened the two bolts holding the saddle to the seat post (Campagnolo Nuovo Record). They were probably tight enough to start but I gave them a little bit more tension. It is unlikely to be that.


I may just take it all apart, lube everything and Proofhide the leather. If this saddle dies, that will be a painful loss for me. We've been together for 42 years.
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Old 06-02-17, 11:32 AM
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Both my Sella Anatomicas squeek at the rivets. A bit of delicate hammering on the top and a punch at the bottom to mushroom the rivet more... squeeks gone. Brooks always seemed similar in construction, maybe this is it? A few months after riding a squeek came back. Same thing, wish they'd really do the job right when they assemble these the first time!

A creak... like a squeek, comes from my Origin 8 seat post, which is a copy of a Thomson Masterpiece. The finishing for the craddle bolts aren't as good and they don't rest flush.

Just two possibilities as to what could be the sound that I've experienced.
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Old 06-02-17, 12:09 PM
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I had this problem, and the remedy turned out to be putting grease on the BB cups. For some, it is greasing the pedal threads.
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Old 06-02-17, 12:19 PM
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My problem was the pedals - the SPD cleats would squeak, drove me crazy for a while

Hit them with a bit of silicon and try not to to allow the foot to move when driving harder
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Old 06-29-17, 10:49 PM
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It took me a while but I finally had some free time to look into a remedy for the squeak. I never definitively identified the source but did a few things and the squeak is now gone.


1. Replaced grease on seat post.
I don't think this was the problem, as the existing grease was plentiful and clean.


2. Tightened the two bolts holding seat to seat post.
They were tight, now they are tighter. :-)


3. Tightened the leather on the saddle.
This is my best guess at the cure.
I've been riding a lot and had used Proofhide on the leather a few times in the last year (a lot).
I may have even loosened the leather a tad but cannot clearly recall doing so.






Now, it's time to clean, repack and adjust the head set. Work, work, work.

Last edited by Bad Lag; 06-30-17 at 01:37 PM.
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