2025 Koga Colmaro Adventure M
Build
700C/29 in × 40 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 580mm |
| Reach | 391mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 520mm |
| Top Tube Slope | 8.6deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 276mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 428.5mm |
| Front-Center | 619.1mm |
| Front-Center Horizontal | 614.5mm |
| Wheelbase | 1043mm |
| Fork Offset/Rake | 45mm |
| Trail | 70mm high |
| Mechanical Trail | 66.4mm |
| Wheel Flop | 21.1mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 98.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 106mm |
Adventure Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1745mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.koga.com/nl/racefietsen/colmaro-adventure.htm?frame=H