Originally Posted by
dsbrantjr
Not sure why it wouldn't work with a carbon steerer; from the illustration it looks like all it does is expand vertically to compress the stem/spacer stack and adjust the bearing preload.
Do you have other information which indicates that it is unsuitable for carbon steerers?
I [falsely] thought the lock bolt on the bottom piece with the female threads would compress the steerer, but I now see that I was off base.
Gotta stop posting while rushing out the door.