BIKE MECHANIC
Join Date: Jun 2005
Location: Dayton, Ohio
Posts: 185
Bikes: 1975 Full Campy N.R. Centurian Super Lemans,1984 Focus Vintage pre susp. mountain, hardtail,suntour xc sport, many treks, diamondbacks, and, 1950' crusier J.C.Higgins,triex (road) and kakakura silk (road)
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Yes, you're correct, a flat bladed screwdriver works fine for the minor widening of the seatpost collar. I first tried my trusty old Craftman regular but it got me no-where, the seat post would still not go in at all. There is a special tool, it's like a graduated wedge or a trapezoidal cylinder, some would say it's basically a cone. Imagine a solid steel cone that goes from the smallest seat post size to the largest seat post size over a 8 inch length. This would gently expand the compressed seat post collar to the right size without chewing it up.
I'll try and find a picture of this special tool.
Thanks!
Last edited by king koeller; 05-28-10 at 10:18 PM.