1988 Cannondale Bikes ST400 Base

Category
Touring
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Steel
Features
Rim brake
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

19”
19”
21”
21”
23”
23”
25”
25”
27”
27”
Stack
498.9mm
498.9mm
520.4mm
520.4mm
569.1mm
569.1mm
617.8mm
617.8mm
666.5mm
666.5mm
Reach
399.2mm
399.2mm
397.4mm
397.4mm
395.6mm
395.6mm
406.6mm
406.6mm
417.6mm
417.6mm
Stack to Reach Ratio
1.25:1
1.25:1
1.31:1
1.31:1
1.44:1
1.44:1
1.52:1
1.52:1
1.6:1
1.6:1
Seat Tube Length, C-TTT
482.6mm
482.6mm
533.4mm
533.4mm
584.2mm
584.2mm
635mm
635mm
685.8mm
685.8mm
Seat Tube Length, C-C
457.2mm
457.2mm
508mm
508mm
558.8mm
558.8mm
609.6mm
609.6mm
660.4mm
660.4mm
Top Tube Length, Effective/Horizontal Center
520.1mm
520.1mm
552.5mm
552.5mm
565.2mm
565.2mm
590.6mm
590.6mm
616mm
616mm
Top Tube Length, Actual C-C
515.6mm
515.6mm
552.4mm
552.4mm
565.2mm
565.2mm
590.6mm
590.6mm
615.9mm
615.9mm
Top Tube Slope
2.3deg
2.3deg
0deg
0deg
0deg
0deg
0deg
0deg
0deg
0deg
Head Tube Angle
72deg
72deg
72deg
72deg
72deg
72deg
72deg
72deg
72deg
72deg
Seat Tube Angle
76.7deg
76.7deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
Bottom Bracket Drop
84.6mm
84.6mm
82.1mm
82.1mm
78.5mm
78.5mm
76.5mm
76.5mm
73.7mm
73.7mm
Bottom Bracket Height
259.1mm
259.1mm
261.6mm
261.6mm
265.2mm
265.2mm
267.2mm
267.2mm
270mm
270mm
Chainstay Length
457.2mm
457.2mm
457.2mm
457.2mm
457.2mm
457.2mm
457.2mm
457.2mm
457.2mm
457.2mm
Chainstay Length Horizontal
449.3mm
449.3mm
449.8mm
449.8mm
450.4mm
450.4mm
450.8mm
450.8mm
451.2mm
451.2mm
Front-Center
600.6mm
600.6mm
604.8mm
604.8mm
611.3mm
611.3mm
638.4mm
638.4mm
670.4mm
670.4mm
Front-Center Horizontal
594.6mm
594.6mm
599.3mm
599.3mm
606.2mm
606.2mm
633.8mm
633.8mm
666.4mm
666.4mm
Wheelbase
1043.9mm
1043.9mm
1049mm
1049mm
1056.6mm
1056.6mm
1084.6mm
1084.6mm
1117.6mm
1117.6mm
Fork Offset/Rake
54.1mm
54.1mm
54.1mm
54.1mm
54.1mm
54.1mm
54.1mm
54.1mm
54.1mm
54.1mm
Trail
54.8mm
mid/​neutral
54.8mm
mid/​neutral
54.8mm
mid/​neutral
54.8mm
mid/​neutral
54.8mm
mid/​neutral
54.8mm
mid/​neutral
54.8mm
mid/​neutral
54.8mm
mid/​neutral
54.8mm
mid/​neutral
54.8mm
mid/​neutral
Mechanical Trail
52.1mm
52.1mm
52.1mm
52.1mm
52.1mm
52.1mm
52.1mm
52.1mm
52.1mm
52.1mm
Wheel Flop
16.1mm
16.1mm
16.1mm
16.1mm
16.1mm
16.1mm
16.1mm
16.1mm
16.1mm
16.1mm
Standover Height
723.9mm
723.9mm
774.7mm
774.7mm
825.5mm
825.5mm
876.3mm
876.3mm
927.1mm
927.1mm
Tire to Pedal Spindle
86.9mm
170 mm cranks
86.9mm
170 mm cranks
91.1mm
170 mm cranks
91.1mm
170 mm cranks
97.6mm
170 mm cranks
97.6mm
170 mm cranks
124.7mm
170 mm cranks
124.7mm
170 mm cranks
156.7mm
170 mm cranks
156.7mm
170 mm cranks
Pedal Spindle to Ground Clearance
89.1mm
170 mm cranks
89.1mm
170 mm cranks
91.6mm
170 mm cranks
91.6mm
170 mm cranks
95.2mm
170 mm cranks
95.2mm
170 mm cranks
97.2mm
170 mm cranks
97.2mm
170 mm cranks
100mm
170 mm cranks
100mm
170 mm cranks

Base Build

19”
19”
21”
21”
23”
23”
25”
25”
27”
27”
Wheel Size
630mm BSD
630 mm BSD
630mm BSD
630 mm BSD
630mm BSD
630 mm BSD
630mm BSD
630 mm BSD
630mm BSD
630 mm BSD
630mm BSD
630 mm BSD
630mm BSD
630 mm BSD
630mm BSD
630 mm BSD
630mm BSD
630 mm BSD
630mm BSD
630 mm BSD
Tire Width
1.13in
1.13in
1.13in
1.13in
1.13in
1.13in
1.13in
1.13in
1.13in
1.13in
Tire Outer Diameter
687.4mm
687.4mm
687.4mm
687.4mm
687.4mm
687.4mm
687.4mm
687.4mm
687.4mm
687.4mm
Bike Length with Tires
1731.3mm
1731.3mm
1736.4mm
1736.4mm
1744mm
1744mm
1772mm
1772mm
1805mm
1805mm
Crank Length
170mm
170mm
Stem Length
95mm
95mm
Stem Angle
72deg
72deg
72deg
72deg
72deg
72deg
72deg
72deg
72deg
72deg

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
Touring
Source:https://vintagecannondale.com/year/1988/1988.pdf, na