2021 Bianchi Specialissima Base 550
Build
700C/29 in × 28 mm
Insights
Somewhat aggressive stack and reach vs trend of performance road bikes
Design deviates from other sizes of Bianchi Specialissima
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 540mm |
| Reach | 389mm |
| Stack to Reach Ratio | 1.39:1 |
| Seat Tube Length, C-TTT | 500mm |
| Top Tube Length, Effective/Horizontal HT Top | 550mm |
| Top Tube Slope | 4.4deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 140mm |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 271mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 404.3mm |
| Front-Center | 587mm |
| Front-Center Horizontal | 583.7mm |
| Wheelbase | 988mm |
| Fork Offset/Rake | 43mm |
| Fork Length (On-Axis) | 368mm |
| Trail | 61.8mm mid/neutral |
| Mechanical Trail | 58.9mm |
| Wheel Flop | 17.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 78mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 101mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1666mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.bianchi.com/bike/specialissima-ultegra-di2-11sp/