Originally Posted by MoAlpha

Re the smokestack on the road bike, I forgot the steerer tube has a metal insert and a star nut. A good system, but not the most flexible. The nut position would allow me to take off a cm, but otherwise, I'd have to push it down and I'm afraid of breaking the insert free when I tap it. The top of the insert shows signs of having been trimmed previously, too, so it could theoretically end right below the current nut position (bad for the stem clamp). Might just live with it.