2019 Jamis Bicycles Dakar A2
- Category
- Full-suspension Trail MTB
- Design
- Flat Bar, Full suspension
- Frame
- Aluminum
- Features
- Disc brake
Very aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Very aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Very aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Very aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Very aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
XS / 14.5 | S / 15.5 | M / 17 | L / 19 | XL / 21 | |
Stack | 552.7mm | 552.7mm | 560.3mm | 570.5mm | 580.6mm |
Reach | 394.7mm | 420.1mm | 440.4mm | 463.5mm | 486.4mm |
Stack to Reach Ratio | 1.4:1 | 1.32:1 | 1.27:1 | 1.23:1 | 1.19:1 |
Seat Tube Length, C-T | 368.3mm | 393.7mm | 431.8mm | 482.6mm | 533.4mm |
Top Tube Length, Effective/Horizontal Center | 544.8mm | 570.5mm | 595.9mm | 621.3mm | 646.7mm |
Head Tube Angle | 68deg | 68deg | 68deg | 68deg | 68deg |
Seat Tube Angle, Unknown | 75deg | 75deg | 75deg | 75deg | 75deg |
Head Tube Length | 99.3mm | 99.3mm | 109.5mm | 119.6mm | 129.8mm |
Bottom Bracket Drop | 18mm | 18mm | 18mm | 18mm | 18mm |
Bottom Bracket Height | 331.1mm | 331.1mm | 331.1mm | 331.1mm | 331.1mm |
Chainstay Length | 440.4mm | 440.4mm | 440.4mm | 440.4mm | 440.4mm |
Chainstay Length Horizontal | 440.1mm | 440.1mm | 440.1mm | 440.1mm | 440.1mm |
Front-Center | 660.3mm | 685.6mm | 711mm | 736.4mm | 759.3mm |
Front-Center Horizontal | 660mm | 685.4mm | 710.8mm | 736.2mm | 759.1mm |
Wheelbase | 1100.1mm | 1125.5mm | 1150.9mm | 1176.3mm | 1199.1mm |
Fork Offset/Rake | 45.7mm | 45.7mm | 47.5mm | 45.9mm | 42.1mm |
Trail | 91.8mm very high | 91.8mm very high | 89.8mm very high | 91.6mm very high | 95.7mm very high |
Mechanical Trail | 85.1mm | 85.1mm | 83.3mm | 84.9mm | 88.8mm |
Wheel Flop | 31.9mm | 31.9mm | 31.2mm | 31.8mm | 33.3mm |
Standover Height | 730.8mm | 743.5mm | 759mm | 756.4mm | 759mm |
Tire to Pedal Spindle | 141.1mm 170 mm cranks | 166.5mm 170 mm cranks | 191.9mm 170 mm cranks | 217.3mm 170 mm cranks | 240.1mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 161.1mm 170 mm cranks | 161.1mm 170 mm cranks | 161.1mm 170 mm cranks | 161.1mm 170 mm cranks | 161.1mm 170 mm cranks |
A2 Build
XS / 14.5 | S / 15.5 | M / 17 | L / 19 | XL / 21 | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.25in | 2.25in | 2.25in | 2.25in | 2.25in |
Tire Outer Diameter | 698.3mm | 698.3mm | 698.3mm | 698.3mm | 698.3mm |
Bike Length with Tires | 1798.4mm | 1823.8mm | 1849.2mm | 1874.6mm | 1897.4mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Full-suspension Trail MTBSource:https://www.jamisbikes.com/usa/dakar-a2.html