Senior Member
Join Date: May 2008
Location: Fredericksburg, Va
Posts: 9,579
Bikes: '65 Frejus TDF, '73 Bottecchia Giro d'Italia, '83 Colnago Superissimo, '84 Trek 610, '84 Trek 760, '88 Pinarello Veneto, '88 De Rosa Pro, '89 Pinarello Montello, '94 Burley Duet, 97 Specialized RockHopper, 2010 Langster, Tern Link D8
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First time I saw one was on the Pinarello I purchased. it looked low cost but after checking it out and doing a query here, I gained some respect for it. I now have two. I don't remember on which bike the second showed up. It has a black head.
I was using on on the De Rosa but replaced it with a Chorus aero post. It was too short so replaced that with a Miche.
Just weighed the following on a scale that may be in error.
Campagnolo two bolt NR - 280g
Campagnolo Chorus Aero - 250g
AC - 200g
The AC has the longest post at 220mm head to end
NR - 180
Chorus - 160 but usable distance is 95 from the Campagnolo band to the end.
So the AC is lightest and the longest post.
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