2026 Colnago V4 Base 420
Build
700C/29 in × 28 mm
Insights
Somewhat aggressive stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Colnago V4
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 510mm |
| Reach | 370mm |
| Stack to Reach Ratio | 1.38:1 |
| Seat Tube Length, C-T | 420mm |
| Top Tube Length, Effective/Horizontal Center | 504mm |
| Top Tube Slope | 12.3deg |
| Head Tube Angle | 70.6deg |
| Seat Tube Angle | 75.5deg |
| Head Tube Length | 103mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 267mm |
| Chainstay Length | 408mm |
| Chainstay Length Horizontal | 401.6mm |
| Front-Center | 576mm |
| Front-Center Horizontal | 571.5mm |
| Wheelbase | 973.1mm |
| Fork Offset/Rake | 43mm |
| Fork Length (Axle-To-Crown) | 379mm |
| Trail | 73.8mm high |
| Mechanical Trail | 69.6mm |
| Wheel Flop | 23.1mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 67mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 97mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1651.1mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:www.colnago.com