1987 Trek Bikes 400 series 400D

Category
Triathlon
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Rim brake

Geometry

22.5"
Seat Tube Length, Unknown
559mm
Top Tube Length, Effective/Horizontal Unknown
560mm
Head Tube Angle
73deg
Seat Tube Angle
73.5deg
Bottom Bracket Drop
72mm
Bottom Bracket Height
271mm
Chainstay Length
425mm
Chainstay Length Horizontal
418.9mm
Front-Center
605.4mm
Front-Center Horizontal
601.1mm
Wheelbase
1020mm
Trail
Mechanical Trail
Wheel Flop
Tire to Pedal Spindle
92.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
101mm
170 mm cranks

400D Build

22.5"
Wheel Size
700C/29 in
622 mm BSD
Tire Width
32mm
Tire Outer Diameter
686mm
Bike Length with Tires
1706mm
Source:https://www.vintage-trek.com/TrekBrochure1987.htm