The two Serotta Nova Special

Standard Profile Design threadless adapter with titanium wedge bolt and aluminum wedge. Ti bolts in stem
https://www.bikeforums.net/classic-vintage/1069707-what-have-you-been-wrenching-lately-350.html#post23400107 #8736


Long 1" steerer with internal threadless plug, titanium stem/bolts, and 1" threadless headset
https://www.bikeforums.net/classic-vintage/1299051-show-us-your-lighest-vintage-steel-bike.html#post23327321 #4