1989 Bianchi Tangent, Axis Base
- Category
- Sport Touring
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Rim brake
Geometry
520 | 55cm | |
Stack | 536.7mm | — |
Reach | 390.8mm | — |
Stack to Reach Ratio | 1.37:1 | — |
Seat Tube Length, C-T | 520mm | — |
Seat Tube Length, Unknown | — | 550mm |
Top Tube Length, Effective/Horizontal Center | 555.5mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 570mm |
Top Tube Length, Actual C-C | 545mm | — |
Top Tube Slope | 4.1deg | — |
Head Tube Angle | 72deg | 72deg |
Seat Tube Angle | 73deg | 73deg |
Bottom Bracket Drop | 60mm | 60mm |
Bottom Bracket Height | 286mm | 286mm |
Chainstay Length | 430mm | 430mm |
Chainstay Length Horizontal | 425.8mm | 425.8mm |
Front-Center | 597.2mm | 623.1mm |
Front-Center Horizontal | 594.2mm | 620.2mm |
Wheelbase | 1020mm | 1046mm |
Fork Offset/Rake | 50mm | 50mm |
Trail | 59.9mm mid/neutral | 59.9mm mid/neutral |
Mechanical Trail | 56.9mm | 56.9mm |
Wheel Flop | 17.6mm | 17.6mm |
Tire to Pedal Spindle | 81.2mm 170 mm cranks | 107.1mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 116mm 170 mm cranks | 116mm 170 mm cranks |
Base Build
520 | 55cm | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 35mm | 35mm |
Tire Outer Diameter | 692mm | 692mm |
Bike Length with Tires | 1712mm | 1738mm |
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 ScaleCategory Trend
Sport TouringSource:1989 catalogue, https://www.gringineer.com/blogs/gringineer-cycles-bike-blog/1989-bianchi-catalog/