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Old 07-06-13 | 08:59 PM
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Cougrrcj
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Joined: Jul 2011
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From: NE Ohio

Bikes: A few...

Seatpost help needed!!!

&@$#%& Seatpost! No, not stuck like one would think.

I am in the midst of rehabbing the Univega Viva Sport I picked up earlier this Spring, giving it a total freshening. Now to dial in my fit. Went to adjust seat height, so I had to really lean on the 5mm Allen binder bolt but thankfully it loosened - and the seatpost dropped right down. Wow!, I say, not stuck. So I pull it up a tad and it comes right out. Someone had chopped it off right at the max height line! So now there's not enough post to grab with the clamp when adjusted to the height I want. Now I gotta find a new seatpost!!!! Grrrr!!!!

I grabbed my calipers and measured the old post at 1.051". by my calculations that works out to be 26.7mm So I go looking and see 26.6 and 26.8, but no 26.7. With as loose as the post was since it dropped down on it's own weight I think I am safe to assume that 26.7 is a bit small.

Any of you gurus out there know what size seatpost I should be looking for? Bike is '84 Univega Viva Sport, Miyata-built frame, with double-butted CrMo main tubes.

Thanks in advance!
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'75 Fuji S-10S bought new, 52k+ miles and still going!
'84 Univega Gran Tourismo
'84 Univega Viva Sport
'86 Miyata 710
'90 Schwinn Woodlands
Unknown brand MTB of questionable lineage aka 'Mutt Trail Bike'
Plus or minus a few others from time-to-time

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