2026 Bergamont Grandurance Flat Bar S
Build
700C/29 in × 40 mm
Insights
Very aggressive stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 551mm |
| Reach | 412mm |
| Stack to Reach Ratio | 1.34:1 |
| Seat Tube Length, C-T | 485mm |
| Top Tube Length, Effective/Horizontal HT Top | 560mm |
| Top Tube Slope | 8.7deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 281mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 429.3mm |
| Front-Center | 644.5mm |
| Front-Center Horizontal | 640.7mm |
| Wheelbase | 1070mm |
| Fork Offset/Rake | 50mm |
| Fork Length (Axle-To-Crown) | 420mm |
| Trail | 74.5mm high |
| Mechanical Trail | 70.1mm |
| Wheel Flop | 24mm |
| Standover Height | 768mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 123.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 111mm |
Flat Bar Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1772mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.bergamont.com/global/en/product/bergamont-grandurance-fb-10-eq?article=4252301094006