2025 Bianchi Zolder Base 520
Build
700C/29 in × 33 mm
Insights
Somewhat aggressive stack and reach vs trend of cyclocross bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 542mm |
| Reach | 385mm |
| Stack to Reach Ratio | 1.41:1 |
| Top Tube Length, Effective/Horizontal HT Top | 535mm |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 125mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 284mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 420.7mm |
| Front-Center | 601mm |
| Front-Center Horizontal | 598.3mm |
| Wheelbase | 1019mm |
| Fork Offset/Rake | 44.7mm |
| Fork Length, Unknown | 400mm |
| Trail | 71.2mm high |
| Mechanical Trail | 67.3mm |
| Wheel Flop | 21.9mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 87mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 114mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 33mm |
| Tire Outer Diameter | 688mm |
| Bike Length with Tires | 1707mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:www.bianchi.com