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Old 09-05-07, 10:08 AM   #1
bigwies
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Anyone know what size seatpost a Trek 7100 uses

I considering swapping out the suspension seatpost on my 2008 Trek 7100 (20" frame) and I need to know what size to look at.

Any help would be appreciated.
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Old 09-05-07, 12:44 PM   #2
z415
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If you pull it out, it should have it stamped on the post. Flip off the quick release and pull up from the shaft, not the saddle (I've heard of problems with the suspension seatpost coming undone when pulling up by the saddle), and look for any numbers on there - it should have a "min insert" or "max height" and then a number like 30.9 or 31.6 or 27.2 and that would be the size.

Chances are it is 31.6mm, but I would check before committing to my answer.
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Old 09-05-07, 08:34 PM   #3
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Thanks. I will check it before my ride to work tomorrow and post the answer.
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