I didn't think a 5.5" VFR 750 wheel would fit the NC30.

As far as I know it's only the earlier 5" ones withy the rounded spokes that fit :-)

And they only fit with a converted hub

yea requires a modified hub, which rick oliver seems to sell OR a stock hub with spacers and caliper tinkering
http://www.vsource.org/VFR-RVF_files/NC ... rwheel.htm