Thanks!
Real early GT ATB . there was only two models in those days the Timberline and the Backwoods. Heres some detailed pics of the GT-Epoch Headset and the GT on the end of the toptube
Here is most of my GT's almost all of them are torn down in process.
not Pictured 1990 GT Avalanche
1986 GT Timberline (as received)
1988 Avalanche (mostly torn down)
1988 Karakoram (as received)
1994 Zaskar LE (as received)
1999 Avalanche (built with misc parts not original)