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Old 10-04-07, 05:53 AM   #1
cynergy
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Shim for 1-1/8" Threaded Headset

Hi There,

I have an older mountain bike and I would like to replace its stem with a 1" diameter stem. However, my bike currently has a 1-1/8" diameter stem. Can I get a shim that I can insert into my threaded headset that would allow me to use a stem that is sized for a 1" threaded headset with my bike?

Thanks in advance.
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Old 10-04-07, 06:05 AM   #2
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Huh? Why?
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Old 10-04-07, 06:40 AM   #3
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I'd like to use a Nitto Technomic extra long stem on my bike, but these are only 1" in diameter. They don't offer a 1-1/8" diameter stem.
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Old 10-04-07, 10:11 AM   #4
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(deleted as more useful info follows)

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Old 10-04-07, 10:52 AM   #5
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There are adapters made for that purpose:



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Old 10-04-07, 01:01 PM   #6
cynergy
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Thanks Dirtdrop. I'll have to visit my LBS to see if he can order one (or if he has one in stock).
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Old 10-04-07, 07:50 PM   #7
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Several year ago I was looking for exactly that type of adapter as I wanted to use an existing set of 1" road bars and stem to convert a Trek hardtail MTB for drop bar use and the Trek had a 1-1/8" headset/fork. I never found one and wound up buying a 1-1/8" quill stem. It wasn't that easy to locate either.

Where did you find that adapter?
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Old 10-04-07, 09:17 PM   #8
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edit !!

Whoops!! - these parts (A-Headset shims) are meant for threadless forks and stems. Not sure how they would work with a threaded system.

Last edited by Iowegian; 10-04-07 at 09:42 PM.
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Old 10-05-07, 07:24 AM   #9
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Quote:
Originally Posted by HillRider View Post
Where did you find that adapter?
I think you asked me that last time this came up. The answer was that I can't remember and I still can't. "Online somewhere" is the best I can do.
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