Originally Posted by
ThermionicScott
Isn't the usual wisdom to have at least another diameter's worth of the seatpost below the bottom of the top tube?
It probably is. The bottom of this post is cut at a 45 degree angle. The lowest point goes beyond the top tube orifice inside the frame. The post resides in a Delrin sizing shim taking it from 30.2 to 27.2.