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  #16  
Old 09-29-2016, 07:08 AM
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AngryScientist AngryScientist is offline
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i like the carbon paste idea if it fits loosely actually. we'll see.
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  #17  
Old 09-29-2016, 07:16 AM
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oldpotatoe oldpotatoe is offline
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Quote:
Originally Posted by bicycletricycle View Post
If you are planning on shimming I would just go 27.2. Thicker more durable shim and lots of options. More comfortable as well
Agree...USE makes some nice seatpost shims.
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  #18  
Old 09-29-2016, 08:10 AM
Birddog Birddog is offline
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Quote:
Originally Posted by ripvanrando View Post
My plan was to shim with thin paper if my 30.9 fit loosely.
Aluminum foil and carbon paste should work.
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  #19  
Old 09-29-2016, 08:43 AM
staggerwing staggerwing is offline
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In English units, 0.1mm is only 0.004". A sheet of 20lb copier paper is around 0.0025."

If you really want, they make 0.002" shim stock in a variety of materials. I have a sheet in brass. If you PM me a postal address, I'll send you a piece.
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  #20  
Old 09-29-2016, 09:20 AM
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AngryScientist AngryScientist is offline
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sweet stager! i'll test fir the 30.9 when it arrives and let you know if it's loose. very generous offer, thanks!
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  #21  
Old 09-29-2016, 10:26 AM
waypastfast waypastfast is offline
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http://www.ebay.com/itm/Most-Carbon-...MAAOSwxg5XxG~7

This?
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File Type: jpg s-l1600.jpg (32.9 KB, 58 views)
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  #22  
Old 09-29-2016, 10:50 AM
ripvanrando ripvanrando is offline
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Quote:
Originally Posted by waypastfast View Post
Major gouge in it. I considered buying it
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  #23  
Old 09-29-2016, 10:53 AM
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AngryScientist AngryScientist is offline
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my whole problem is i need zero setback...
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  #24  
Old 09-29-2016, 11:03 AM
ColonelJLloyd ColonelJLloyd is offline
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Quote:
Originally Posted by AngryScientist View Post
my whole problem is i need zero setback...
With a 74d STA? Curious what saddle you use.
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  #25  
Old 09-29-2016, 11:06 AM
scooter scooter is offline
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Besides USE, Problem Solvers and Kalloy also make a number of seatpost shims. Kalloy did have an aluminum shim for 27.2 to 31.0

Kalloy Seatpost Shim Ø27.2mm -> Ø31.0mm
Product Model:172819 EAN Code 4016538638208


That MOst seatpost (made by Selcof) looks like the ones Pinarello used on some of their frames.
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  #26  
Old 09-29-2016, 11:06 AM
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pdmtong pdmtong is offline
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31.0 seatpost?

I'm in the shim a 27.2 camp.
That's what I did for my responsorium.

A proper shim ensures there's full contact between post shim seatube so You have the best friction surface to prevent slipping
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  #27  
Old 09-29-2016, 11:10 AM
ColonelJLloyd ColonelJLloyd is offline
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Are most modern aluminum frames like this or do builders often install a permanent shim like on lots of titanium frames? I'm curious to try modern aluminum.
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  #28  
Old 09-29-2016, 08:57 PM
scooter scooter is offline
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ULTIMATE USE SX 27.2mm Seat Post Shim
27.2 --> 31.0





http://www.wiggle.com/use-sx-seat-post-shim-2/
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