Originally Posted by eduskator

I get that they may have initially been produced for another purpose (IE, as a way to preload the headset when ''steel was the deal'' and when alloy was later introduced), and I am no structural engineer, but I am almost certain that CF steerer tubes aren't manufactured to withstand horizontal force / pressure on small areas hence why a compression plug at the right place is a must IMO. I would never clamp down a stem at 8-10nM without a plug pushing against the walls inside to prevent structural damage.

If one of you wants to try it, let me know how it goes! You'll most likely void your warranty, but whatever!