Originally Posted by
Dr1Gonzo
From what I can find the only place to tighten a headset is on the top of the quill stem (allen key top bolt).
I remember on older bikes having to also turn the 2 large nuts further down the stem where it enters the frame - is that not necessary any more?
You've got it backwards. Quill stems are the old style that you tighten simply with the allen bolt on top. Newer "threadless" stems require you to tighten the allen on top, then two allens further down.