I also have both Campy NR and original Dura Ace hubs, and I have to agree with Brian, the Campys are smooth, but the DAs are smoother, though I still maintain that all quality alloy hubs are VERY close to each other in rolling friction.
> I noted what you said below with interest:
> > I believe the smoothest and lowest drag unloaded feel is for the
> > Sanshine(Sunshine/Suzue) Pro-Am's and Junko Skyroads. The
> > SunTour Superbe is
> > simular also a Sanshine product, and I believe the original
> > Dura Ace were in
> > fact Junko Skyroads with a Shimano label. These had smoother
> > bearings than
> > Record hubs.
> Now, I own a wheelset with original Dura Ace lf hubs; I also own 3
> wheelesets with Record lf hubs. I have cleaned, repacked, and adjusted
> all of them at least once. IMO, there is no way that the Dura Ace hubs
> outperform the Record hubs I own in terms of bearing smoothness. While
> the DA hubs are pretty much Record knockoffs, the performance of the
> Record hubs in terms of low drag is pretty substantial. Don't get me
> wrong; I like and use the DA hubs (in fact, I rode a bike with them
> today), but I like the Record hubs better.