If you’ve full undone it, can you just use the Allen key to leverage against the side to pull up, clean then gently push back down to desired height?
Forgot to respond to this at the time, it’s fully stuck in the steerer so when undone it still cannot be moved.
@samrensho started
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If you’ve full undone it, can you just use the Allen key to leverage against the side to pull up, clean then gently push back down to desired height?