2020 CTM Bikes Koyuk 2.0 Base 580 (stack&reach calculated)
Build
700C/29 in × 37 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 595mm |
| Reach | 398mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, C-T | 540mm |
| Top Tube Length, Effective/Horizontal HT Top | 580mm |
| Top Tube Slope | 8.1deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 175mm |
| Chainstay Length | 428mm |
| Front-Center | 626mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 396mm |
| Trail | 72.2mm high |
| Mechanical Trail | 68.3mm |
| Wheel Flop | 22.2mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 108mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | — |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 37mm |
| Tire Outer Diameter | 696mm |
| Handlebar Width | 440mm |
| Stem Length | 80mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 185 cm to 195 cm |
Source:https://www.ctm.sk/bicykle/road/koyuk-2-0/matna-army-oranzova/