1988 Cannondale Bikes ST1000 Base

	19”	21”	23”	25”	27”
Stack	478.2mm	520.4mm	569.1mm	617.8mm	666.5mm
Reach	399.6mm	397.4mm	395.6mm	406.6mm	417.6mm
Stack to Reach Ratio	1.2:1	1.31:1	1.44:1	1.52:1	1.6:1
Seat Tube Length, C-TTT	482.6mm	533.4mm	584.2mm	635mm	685.8mm
Seat Tube Length, C-C	457.2mm	508mm	558.8mm	609.6mm	660.4mm
Top Tube Length, Effective/Horizontal Center	515.6mm	552.5mm	565.2mm	590.6mm	616mm
Top Tube Length, Actual C-C	515.6mm	552.4mm	565.2mm	590.6mm	615.9mm
Top Tube Slope	0deg	0deg	0deg	0deg	0deg
Head Tube Angle	72deg	72deg	72deg	72deg	72deg
Seat Tube Angle	76.7deg	73.5deg	73.5deg	73.5deg	73.5deg
Bottom Bracket Drop	84.5mm	82mm	78.4mm	76.4mm	73.6mm
Bottom Bracket Height	259.1mm	261.6mm	265.2mm	267.2mm	270mm
Chainstay Length	457.2mm	457.2mm	457.2mm	457.2mm	457.2mm
Chainstay Length Horizontal	449.3mm	449.8mm	450.4mm	450.8mm	451.2mm
Front-Center	600.6mm	604.8mm	611.3mm	638.4mm	670.4mm
Front-Center Horizontal	594.6mm	599.2mm	606.2mm	633.8mm	666.4mm
Wheelbase	1043.9mm	1049mm	1056.6mm	1084.6mm	1117.6mm
Fork Offset/Rake	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
Mechanical Trail	52.1mm	52.1mm	52.1mm	52.1mm	52.1mm
Wheel Flop	16.1mm	16.1mm	16.1mm	16.1mm	16.1mm
Standover Height	723.9mm	774.7mm	825.5mm	876.3mm	927.1mm
Tire to Pedal Spindle	87mm 170 mm cranks	91.2mm 170 mm cranks	97.7mm 170 mm cranks	124.8mm 170 mm cranks	156.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	89.1mm 170 mm cranks	91.6mm 170 mm cranks	95.2mm 170 mm cranks	97.2mm 170 mm cranks	100mm 170 mm cranks

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.

Category Trend

Source:https://vintagecannondale.com/year/1988/1988.pdf

Geometry