Originally Posted by grinderbob
I am building up a bike and I've got all the campy parts. The bike currently has
shimano 600 threaded headset (1" steerer). I don't want to scratch up the frame
or the fork. Is it worthy to take the shimano headset out and put in the campy?
thanks.
the shimano may be a low stack and the campy a high stack -- i.e., the campy may not fit without shaving the heat tube.
but then again it may fit fine too

.
if the headset is loose ball i'd install a cartridge HS.
ed rader