1987 Trek Bikes 560EX Base

Category
Triathlon
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Rim brake
Average stack and reachvs category
Somewhat upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category

Geometry

19"
21"
22.5"
24"
25.5"
Stack
488.7mm
532.8mm
569.5mm
604.9mm
642.3mm
Reach
390.3mm
391.2mm
391mm
395.5mm
394.4mm
Stack to Reach Ratio
1.25:1
1.36:1
1.46:1
1.53:1
1.63:1
Seat Tube Length, C-C
475mm
521mm
559mm
596mm
635mm
Top Tube Length, Effective/Horizontal Center
536mm
550mm
560mm
575mm
585mm
Top Tube Length, Actual C-C
536mm
550mm
560mm
575mm
585mm
Top Tube Slope
0deg
0deg
0deg
0deg
0deg
Head Tube Angle
72deg
72deg
73deg
73deg
73deg
Seat Tube Angle
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
Bottom Bracket Drop
72mm
72mm
72mm
72mm
72mm
Bottom Bracket Height
259mm
259mm
259mm
259mm
259mm
Chainstay Length
415mm
415mm
415mm
415mm
415mm
Chainstay Length Horizontal
408.7mm
408.7mm
408.7mm
408.7mm
408.7mm
Front-Center
572.8mm
586.7mm
599.6mm
604.6mm
613.5mm
Front-Center Horizontal
568.3mm
582.3mm
595.3mm
600.3mm
609.3mm
Wheelbase
977mm
991mm
1004mm
1009mm
1018mm
Fork Offset/Rake
42mm
42mm
42mm
42mm
42mm
Trail
63.4mm
mid/​neutral
63.4mm
mid/​neutral
57.3mm
mid/​neutral
57.3mm
mid/​neutral
57.3mm
mid/​neutral
Mechanical Trail
60.3mm
60.3mm
54.8mm
54.8mm
54.8mm
Wheel Flop
18.6mm
18.6mm
16mm
16mm
16mm
Tire to Pedal Spindle
71.8mm
170 mm cranks
85.7mm
170 mm cranks
98.6mm
170 mm cranks
103.6mm
170 mm cranks
112.5mm
170 mm cranks
Pedal Spindle to Ground Clearance
89mm
170 mm cranks
89mm
170 mm cranks
89mm
170 mm cranks
89mm
170 mm cranks
89mm
170 mm cranks

Base Build

19"
21"
22.5"
24"
25.5"
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
20mm
20mm
20mm
20mm
20mm
Tire Outer Diameter
662mm
662mm
662mm
662mm
662mm
Bike Length with Tires
1639mm
1653mm
1666mm
1671mm
1680mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Triathlon
Source:https://vintage-trek.com/images/trek/1987/87Trek21.jpg