1991 Cannondale Bikes ST1000 Base 21”

Build

700C/29 in × 32 mm

Insights

Very aggressive stack and reach vs trend of sport touring bikes
Design deviates from other sizes of Cannondale Bikes ST1000

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
520.4mm
Reach
397.4mm
Stack to Reach Ratio
1.31:1
Seat Tube Length, C-TTT
533.4mm
Seat Tube Length, C-C
508mm
Top Tube Length, Effective/Horizontal Center
552.5mm
Top Tube Length, Actual C-C
552.4mm
Top Tube Slope
0deg
Head Tube Angle
72deg
Seat Tube Angle
73.5deg
Bottom Bracket Drop
81.4mm
Bottom Bracket Height
261.6mm
Chainstay Length
457.2mm
Chainstay Length Horizontal
449.9mm
Front-Center
604.6mm
Front-Center Horizontal
599.1mm
Wheelbase
1049mm
Fork Offset/Rake
54.1mm
Trail
54.6mm
mid/​neutral
Mechanical Trail
51.9mm
Wheel Flop
16mm
Standover Height
774.7mm
Tire to Pedal Spindle Distance
With 170 mm cranks
91.6mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
91.6mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
32mm
Tire Outer Diameter
686mm
Bike Length with Tires
1735mm
Stem Angle
-72deg
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Aluminum
Fork Material
Steel
Brake Type
Rim
Source:https://vintagecannondale.com/year/1991/1991.pdf