1989 Bianchi Tangent, Axis Base 520
Build
700C/29 in × 35 mm
Insights
Somewhat aggressive stack and reach vs trend of sport touring bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 536.7mm |
| Reach | 390.8mm |
| Stack to Reach Ratio | 1.37:1 |
| Seat Tube Length, C-T | 520mm |
| Top Tube Length, Effective/Horizontal Center | 555.5mm |
| Top Tube Length, Actual C-C | 545mm |
| Top Tube Slope | 4.1deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73deg |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 286mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 425.8mm |
| Front-Center | 597.2mm |
| Front-Center Horizontal | 594.2mm |
| Wheelbase | 1020mm |
| Fork Offset/Rake | 50mm |
| Trail | 59.9mm mid/neutral |
| Mechanical Trail | 56.9mm |
| Wheel Flop | 17.6mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 81.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 116mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 35mm |
| Tire Outer Diameter | 692mm |
| Bike Length with Tires | 1712mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
Source:1989 catalogue