2025 Bergamont Helix 20 S
Build
700C/29 in × 2 in
Stack and Reach vs. Category Trend
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Geometry
| Stack | 600mm |
| Reach | 419mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, C-T | 400mm |
| Top Tube Length, Effective/Horizontal Center | 580mm |
| Top Tube Slope | 22.4deg |
| Head Tube Angle | 68deg |
| Seat Tube Angle | 76.2deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 55mm |
| Bottom Bracket Height | 306.8mm |
| Chainstay Length | 475mm |
| Chainstay Length Horizontal | 471.8mm |
| Front-Center | 691.4mm |
| Front-Center Horizontal | 689.2mm |
| Wheelbase | 1161mm |
| Fork Offset/Rake | 46mm |
| Fork Length (On-Axis) | 493mm |
| Trail | 96.6mm very high |
| Mechanical Trail | 89.5mm |
| Wheel Flop | 33.5mm |
| Standover Height | 739mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 159.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 136.8mm |
20 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2in |
| Tire Outer Diameter | 723.6mm |
| Bike Length with Tires | 1884.6mm |
| Stem Length | 70mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
| Features | E-bike |
Published Sizing Recommendations
| Height | 155 cm to 165 cm |
Source:https://www.bergamont.com/de/de/product/bergamont-helix-20