I think this Ritchie Logic looks too cheap for my Trek 850. A Ritchie WCS is a different story. It has cartridge bearings and really is comparable to an Ultegra. I'd have recommended a Stronglight A9 if I thought you could find one for a decent price. The new ones on the Stronglight site do not have roller bearings.
The silver ring at the top is not part of the headset. It's a 1" to 1 1/8" adapter.