Originally Posted by
sickz
you can center up the star nut by overtorquing the cap bolt.
I used a hammer and punch to do the final centering of the star nut. Also, pipe clamps have a bump at the site of the tightening mechanism so it was necessary to file the sacrificial spacer to make it completely flush with the pipe clamp.
It hadn't previously occurred to me but since nothing ever touches the surface of the steerer tube, pride is the only thing demanding a precise cut. My fretting was unnecessary.