1988 Cannondale Bikes ST400 Base 21”
Build
630mm BSD × 1.13 in
Insights
Design deviates from other sizes of Cannondale Bikes ST400
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 | 82.1mm |
| Bottom Bracket Height | 261.6mm |
| Chainstay Length | 457.2mm |
| Chainstay Length Horizontal | 449.8mm |
| Front-Center | 604.8mm |
| Front-Center Horizontal | 599.3mm |
| Wheelbase | 1049mm |
| Fork Offset/Rake | 54.1mm |
| Trail | 54.8mm mid/neutral |
| Mechanical Trail | 52.1mm |
| Wheel Flop | 16.1mm |
| Standover Height | 774.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 91.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 91.6mm |
Base Build
| Wheel Size | 630mm BSD |
| Tire Width | 1.13in |
| Tire Outer Diameter | 687.4mm |
| Bike Length with Tires | 1736.4mm |
| 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/1988/1988.pdf