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Old 05-23-21, 10:44 AM
  #1  
obrentharris 
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Wanted: Seat Clamp for Old Schwinn

I want to put an old Brooks saddle on my old Schwinn klunker. I need the single rail saddle clamp, doesn't need to be shiny, for the skinny top section (5/8") of the Schwinn seatpost.

What I have:




The style I need: (but the wrong diameter)




The bike in question:



Thanks,
Brent
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Old 05-23-21, 11:21 AM
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Sweet "straight-bar"
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Old 05-23-21, 12:06 PM
  #3  
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Found a few, but none 5/8". Will keep looking though.
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Old 05-23-21, 03:03 PM
  #4  
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I have heard of people flipping the seat post upside down, putting the tapered section inside the frame. The main part is close to 7/8", so a regular clamp should work on it.
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Old 05-23-21, 03:12 PM
  #5  
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Originally Posted by Pompiere
I have heard of people flipping the seat post upside down, putting the tapered section inside the frame. The main part is close to 7/8", so a regular clamp should work on it.
That would be a bummer on this, the Schwinn script would be hidden and likely damaged.
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Old 05-23-21, 03:16 PM
  #6  
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@obrentharris

How about just clearancing the clamp pieces?

DOH! Nevermind, I was looking at it wrong, but might still be a way.
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Old 05-23-21, 03:41 PM
  #7  
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I have this shim that was in another seat clamp. It's pretty tight on a Schwinn post. You could probably make one or you can have this and shave it to fit. It will go on the post but feels like a one way trip.
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Old 05-23-21, 04:25 PM
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I found this clamp in the bin; opening for the post measures 16mm.

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Old 05-23-21, 05:11 PM
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Schwinn OEM 5/8”
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Old 05-23-21, 09:04 PM
  #10  
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Thanks @FBOATSB !
nlerner has me covered.
Brent
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Old 05-24-21, 06:14 AM
  #11  
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Originally Posted by merziac
That would be a bummer on this, the Schwinn script would be hidden and likely damaged.
I missed the Schwinn script in the photo. This thread inspired me to look for the clamp I thought I had. When I found it, I knew it wouldn't be right for this bike with a big "MADE IN JAPAN" across the front. I put the clamp together with the post, hopefully to save searching for it in the future.
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Old 05-24-21, 01:47 PM
  #12  
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Originally Posted by Pompiere
I missed the Schwinn script in the photo. This thread inspired me to look for the clamp I thought I had. When I found it, I knew it wouldn't be right for this bike with a big "MADE IN JAPAN" across the front. I put the clamp together with the post, hopefully to save searching for it in the future.
No worries, it's these kind of little PITA details that make all this so much fun , ifin it was me I would take you up on it, delete the"made in Japan" (sand, wire wheel, file) as necessary and use at least as a place holder for the time being and get this project moving along.

The 58 Paramount came with a script SP as well, several folks said they had never seen one before in 27.2 so that was a great bonus along with the HS, stem, brakes and binder bolt.





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Old 07-12-21, 07:47 PM
  #13  
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For future reference, I was cleaning up a vintage Schwinn where someone had just turned the seatpost upside down to use a standard clamp.
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Old 07-12-21, 08:12 PM
  #14  
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Originally Posted by curbtender
For future reference, I was cleaning up a vintage Schwinn where someone had just turned the seatpost upside down to use a standard clamp.
Again, the OP Schwinn post is original, engraved, it would be a shame to but that in the frame and mess up a nice original piece.
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