1977 Trek Bikes 900 Base 52

Build

700C/29 in × 1.5 in

Insights

Design deviates from other sizes of Trek Bikes 900
Bar type unusual for category
This: Flat Bar
Category: Drop Bar
vs performance road bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Seat Tube Length, C-C
520mm
Top Tube Length, Actual C-C
540mm
Head Tube Angle
71.5deg
Seat Tube Angle
73deg
Bottom Bracket Drop
60mm
Bottom Bracket Height
289.1mm
Chainstay Length
420mm
Chainstay Length Horizontal
415.7mm
Front-Center
615.2mm
Front-Center Horizontal
612.3mm
Wheelbase
1028mm
Fork Offset/Rake
45mm
Fork Length (On-Axis)
370mm
Trail
69.4mm
high
Mechanical Trail
65.8mm
Wheel Flop
20.9mm
Tire to Pedal Spindle Distance
With 170 mm cranks
96.1mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
119.1mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
1.5in
Tire Outer Diameter
698.2mm
Bike Length with Tires
1726.2mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Flat Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Rim
Source:http://www.vintage-trek.com/images/trek/TrekMidwest/TrekMidwest.pdf