1989 Bianchi Limited Base 55cm
Build
700C/29 in × 20 mm
Insights
Somewhat aggressive stack and reach vs trend of performance road bikes
Design deviates from other sizes of Bianchi Limited
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 526.6mm |
| Reach | 389mm |
| Stack to Reach Ratio | 1.35:1 |
| Seat Tube Length, C-T | 550mm |
| Top Tube Length, Effective/Horizontal Center | 550mm |
| Top Tube Length, Actual C-C | 550mm |
| Top Tube Slope | 0deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 73deg |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 266mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 404.8mm |
| Front-Center | 580.8mm |
| Front-Center Horizontal | 577.2mm |
| Wheelbase | 982mm |
| Fork Offset/Rake | 45mm |
| Trail | 54.1mm mid/neutral |
| Mechanical Trail | 51.8mm |
| Wheel Flop | 15.1mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 79.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 96mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 20mm |
| Tire Outer Diameter | 662mm |
| Bike Length with Tires | 1644mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
Source:https://www.gringineer.com/blogs/gringineer-cycles-bike-blog/1989-bianchi-catalog/