I have a pre Ultra Drive (1997 thru 2000) 9 speed cassette which is classified as a titanium cassette. My question is must I use this with certain other titanium components of that era or could I routinely put this on a later Ultra Drive drivetrain. I know there was a year when, in the 8-speed era, the titanium version cassette could only be used with the titanium 8-speed group. I think that was 1996. This cassette is soon after. Can someone please clear this up for me? I've looked at the Campy catalogs and I haven't been able to determine the answer. Are just some of the cogs titanium or is the body titanium as well? Thanks!