Hit it. It'll just have bonded with the headtube and a swift whack with a hammer, preferably a rubber mallet to avoid damaging the stem, will free it. Hit it from above too, it sounds counter intuitive but it'll free it and then you can remove it.
@andyp started
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Hit it. It'll just have bonded with the headtube and a swift whack with a hammer, preferably a rubber mallet to avoid damaging the stem, will free it. Hit it from above too, it sounds counter intuitive but it'll free it and then you can remove it.