Originally Posted by
70sSanO
Edit added: Clamping a top tube is considered a no-no. But I do it all the time since I can lightly dial in the pressure with the clamp. If I had to remove the seatpost and use a dummy post everytime, I would prop the bike against something and not use the stand except when absolutely necessary.
Clamping the top tube with the clamp pressure set too high is a no-no. The beauty of the Park clamp is that it is very adjustable. I clamp the top tube of my tandem (carefully!) because clamping a seatpost on that bike makes the stand unstable. Everything else is clamp on the seatpost, however.