2019/Disc Colnago Concept Base 45s
Build
700C/29 in × 25 mm
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Colnago Concept
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 520mm |
| Reach | 380mm |
| Stack to Reach Ratio | 1.37:1 |
| Seat Tube Length, C-T | 450mm |
| Seat Tube Length, Effective HT Top | 515mm |
| Top Tube Length, Effective/Horizontal Center | 519mm |
| Top Tube Slope | 10.2deg |
| Head Tube Angle | 71.1deg |
| Seat Tube Angle | 71.1deg |
| Head Tube Length | 125mm |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 268mm |
| Chainstay Length | 401mm |
| Chainstay Length Horizontal | 395.2mm |
| Fork Length (Axle-To-Crown) | 370mm |
| Trail | — — |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 98mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 25mm |
| Tire Outer Diameter | 672mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.colnago.com/wp-content/uploads/2018/06/CONCEPT-SLOPING.pdf