2019 Jamis Bicycles Dakar A2 M / 17
Build
650B/27.5 in × 2.25 in
Insights
Very aggressive stack and reach vs trend of full-suspension trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 560.3mm |
| Reach | 440.4mm |
| Stack to Reach Ratio | 1.27:1 |
| Seat Tube Length, C-T | 431.8mm |
| Top Tube Length, Effective/Horizontal Center | 595.9mm |
| Head Tube Angle | 68deg |
| Seat Tube Angle, Unknown | 75deg |
| Head Tube Length | 109.5mm |
| Bottom Bracket Drop | 18mm |
| Bottom Bracket Height | 331.1mm |
| Chainstay Length | 440.4mm |
| Chainstay Length Horizontal | 440.1mm |
| Front-Center | 711mm |
| Front-Center Horizontal | 710.8mm |
| Wheelbase | 1150.9mm |
| Fork Offset/Rake | 47.5mm |
| Trail | 89.8mm very high |
| Mechanical Trail | 83.3mm |
| Wheel Flop | 31.2mm |
| Standover Height | 759mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 191.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 161.1mm |
A2 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.25in |
| Tire Outer Diameter | 698.3mm |
| Bike Length with Tires | 1849.2mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Rear Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.jamisbikes.com/usa/dakar-a2.html