2026 Koga WorldTraveller-S 27.5 M
Build
650B/27.5 in × 2.8 in
Insights
Somewhat aggressive stack and reach vs trend of off-road touring bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 658mm |
| Reach | 420mm |
| Stack to Reach Ratio | 1.57:1 |
| Seat Tube Length, C-T | 560mm |
| Top Tube Length, Effective/Horizontal HT Top | 621mm |
| Top Tube Slope | 11.9deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 180mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 303.1mm |
| Chainstay Length | 477mm |
| Chainstay Length Horizontal | 473.2mm |
| Front-Center | 699.4mm |
| Front-Center Horizontal | 696.8mm |
| Wheelbase | 1170mm |
| Fork Offset/Rake | 50mm |
| Fork Length, Unknown | 480mm |
| Trail | 82.4mm very high |
| Mechanical Trail | 77.2mm |
| Wheel Flop | 27mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 166.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 133.1mm |
27.5 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.8in |
| Tire Outer Diameter | 726.2mm |
| Bike Length with Tires | 1896.2mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Swept Back Bar |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
Source:https://www.koga.com/en/bikes/trekking/worldtraveller?frame=H