1981 Trek Bikes 710 Base 52

Build

700C/29 in × 23 mm

Insights

Very aggressive stack and reach vs trend of touring bikes
Design deviates from other sizes of Trek Bikes 710

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
499.1mm
Reach
396.5mm
Stack to Reach Ratio
1.26:1
Seat Tube Length, C-T
520mm
Top Tube Length, Effective/Horizontal Center
545mm
Top Tube Length, Actual C-C
545mm
Top Tube Slope
0deg
Head Tube Angle
72.5deg
Seat Tube Angle
73.5deg
Bottom Bracket Drop
72mm
Bottom Bracket Height
262mm
Chainstay Length
435mm
Chainstay Length Horizontal
429mm
Front-Center
590.4mm
Front-Center Horizontal
586mm
Wheelbase
1015mm
Fork Offset/Rake
55mm
Trail
47.6mm
mid/​neutral
Mechanical Trail
45.4mm
Wheel Flop
13.7mm
Tire to Pedal Spindle Distance
With 170 mm cranks
86.4mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
92mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
23mm
Tire Outer Diameter
668mm
Bike Length with Tires
1683mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Unknown
Source:http://www.vintage-trek.com/images/trek/Trek81.pdf