1988 Trek Bikes 560 Base

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

Geometry

21in
Seat Tube Length, Unknown
526mm
Top Tube Length, Effective/Horizontal Unknown
545mm
Top Tube Slope
0deg
Head Tube Angle
73deg
Seat Tube Angle
73.5deg
Bottom Bracket Drop
72mm
Bottom Bracket Height
265mm
Chainstay Length
415mm
Chainstay Length Horizontal
408.7mm
Front-Center
580.8mm
Front-Center Horizontal
576.3mm
Wheelbase
985mm
Fork Offset/Rake
42mm
Trail
59.1mm
mid/​neutral
Mechanical Trail
56.5mm
Wheel Flop
16.5mm
Tire to Pedal Spindle
71.3mm
172.5 mm cranks
Pedal Spindle to Ground Clearance
92.5mm
172.5 mm cranks

Base Build

21in
Wheel Size
700C/29 in
622 mm BSD
Tire Width
26mm
Tire Width Max
26mm
Tire Outer Diameter
674mm
Bike Length with Tires
1659mm
Crank Length
172.5mm
Source:http://www.vintage-trek.com/images/trek/Trek88_1.pdf