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Tandem Cycling A bicycle built for two. Want to find out more about this wonderful world of tandems? Check out this forum to talk with other tandem enthusiasts. Captains and stokers welcome!

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Old 08-15-10, 07:00 AM   #1
trailz
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1 1/4" Threaded stem suppliers?

I'm trying to find a way to raise the handlebars, w/o getting new bars.
Steering tube is 1 1/4", threaded.

Option that I would LOVE - But can't be located (www or lbs)

A) to find an 1 1/4" threaded stem with an extended long rise. (the one that came with the bike is 100mm - short)

Options considered, but I don't love:

B) Using a problem solvers type shim, and use a 1 1/8" (25.4mm) stem. Gives me good flexibility in height adjustment options, but not structural strength (this is what I'm currently using).

C) Converting to a quill stem adapter -
http://www.universalcycles.com/shopp...s.php?id=23896
Can't find anything that extends more than 110mm. Further more, clamp stems that attach to this adapter wont add much more rise.

D) finding a quill riser like this -
http://cgi.ebay.com/BIKE-QUILL-HANDL...=#ht_600wt_708
But in the 1 1/4"(28.6mm) dimension. Not a very elegant solution, but would work.

Thoughts?
Thanks.
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Old 08-16-10, 08:44 AM   #2
apage4u
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1.25 Stem source

http://www.precisiontandems.com/

Precision Tandems sold me one when I wanted to change the stock handlebar on my Santana.

Why does Santana make the bar end of the stem such an odd size?
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Old 08-16-10, 01:27 PM   #3
briwasson 
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One option is to get a new fork with a 1.25 threadless steerer, then you can access Santana's OEM offerings (which aren't cheap, to be sure).

Another option is to use a "handlebar riser" device. Check with any of the tandem dealers. Here's a pic from Precision Tandems: http://www.precisiontandems.com/cat_pics/smasx50.jpg
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Old 08-16-10, 06:29 PM   #4
jnbrown
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Yet another option is a Chris King Devolution headset which will allow you to use standard 1-1/8" fork and stem.
I know its not an inexpensive solution. Just thought I would throw it out there.
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Old 09-10-11, 05:49 PM   #5
cantrelax
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I have the opposite problem, looking for 1 1/4" shorter stem 90mm or so w/ 20 degree rise, MTB came w/ 150mm too long.
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Old 09-13-11, 11:29 AM   #6
briwasson 
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I may have an old OEM Santana threaded stem kicking around in my parts box. I'll try to remember to take a look. I also have a couple of OEM Santana threadless 1.25" forks if you are interested. Only catch is that the steerer tubes are cut to fit a small-size frame. If you are interested, let me know and I'll measure the steerers exactly.
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