translates to 1989 according to) Trek/Alcoa 6160T6 heat-treated aluminum Takes a 27.2mm seat post and 700c wheels Takes a 1" steerer(threaded or thread less) Weighs 4.2 lbs on my hanging scale Rear triangle is spaced at 130mm Includes seat-binder bolt. chainrings and 11-24T seven speed cassette; Shimano RX100 Top and down tubes, shifter heads, and fork No major scratches or dings Recommend replacing chain and brake pads Specifications Brand: Trek Model: 1400 Size: 59 Year: 1994 Frame Material: Easton ProGram Aluminum Alloy Fork: Epoxy Bonded Aluminum Weight: 24 lbs 09 oz Geometry Effective Top Tube: 570mm Seat Tube: 585mm(C-T) 565mm(C-C) Seat Tube Angle: 74 Head Tube: 160mm Head Tube Angle: 73 Rear Spacing: 130mm Standover Height: 840mm Components Headset: Tange Levin Brakes: Shimano RX100, Handlebar: 6061 T6- 40cm(C-C) Stem: Nitto Technomic- 120mm- 25.2mm- 17 Seatpost: Alloy- 27.2mm Saddle: Bontrager R1 Wheelset: Vuelta XRP- 700c Front Tire: Continental Ultra Gatorskin- 700x28c Rear Tire: Continental Ultra Gatorskin- 700x28c Drivetrain Front Derailleur: Shimamo RX 100 Rear Derailleur: Shimano RX 100 Shifters: Shimano RX 100 Crankset: Shimano RX 100. Also, you would probably want to change pedals. Please. 
Seat tube -- 20 in., 50.8 cm (actual, center to top of seat
Seat tube -- 20 in., 50.8 cm (actual, center to top of seat