Gary fisher MT.Tam 1991, Tange Prestige custom quad Butted, around 2550g (2720g with BB)
Gary Fisher procaliber 1993" Tange superlite Ultimate, around 2240 with BB.
Pinarello Mountain Bike 1989, Columbus Offroad nivacrome tubes, 2200-2300g.
Ritchey P22, tange ritchey logic tubes, less than 2kg (1850-1900?), dont remember exactly. Fork Ritchey Logic, less than 750g
Cinelli the machine 1990 Columbus Max OR, 2200G+ 1000g fork
Bianchi 1991 Nht Max OR 1800g, fork 800g
Hope this help.