Originally Posted by
FBinNY
If you want to make fancy hardware, you want to replace aluminum alloy with magnesium hardware -- that assumes money is no object, because magnesium alloys are difficult to work with.
Mg is also corrosion prone, even more so than aluminum, and must be annodized or otherwise protected.
Concerning the adjusters Jonathan is describing, I assume the frame is a Litespeed. Both of mine do indeed have Ti adjuster barrels threaded into the Ti bosses welded to the headtube. As above, I assume aluminum was not used due to the corrosion issue.