2025 Bulls Sonic SX Dakar Base S
Build
700C/29 in × 57 mm
Insights
Very aggressive stack and reach vs trend of off-road touring bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 629mm |
| Reach | 420mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, Unknown | 400mm |
| Top Tube Length, Effective/Horizontal Unknown | 585mm |
| Top Tube Slope | 24.9deg |
| Head Tube Angle | 67deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 62.5mm |
| Bottom Bracket Height | 305.5mm |
| Chainstay Length | 445mm |
| Chainstay Length Horizontal | 440.6mm |
| Front-Center | 720.1mm |
| Front-Center Horizontal | 717.4mm |
| Wheelbase | 1158mm |
| Fork Offset/Rake | 52.4mm |
| Trail | 99.3mm very high |
| Mechanical Trail | 91.4mm |
| Wheel Flop | 35.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 182.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 135.5mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 57mm |
| Tire Outer Diameter | 736mm |
| Bike Length with Tires | 1894mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 120mm |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Unknown |
| Brake Type | Unknown |
| Features | E-bike |
Source:www.bulls-bikes.com