2023 Berg Atlas Base
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
15 | 17 | 19 | 21 | |
Stack | 609mm | 613mm | 628mm | 637mm |
Reach | 398mm | 420mm | 438mm | 455mm |
Stack to Reach Ratio | 1.53:1 | 1.46:1 | 1.43:1 | 1.4:1 |
Seat Tube Length, Unknown | 390mm | 430mm | 480mm | 520mm |
Top Tube Length, Effective/Horizontal Unknown | 584mm | 608mm | 630mm | 650mm |
Top Tube Slope | 24.8deg | 20.3deg | 16.3deg | 13deg |
Head Tube Angle | 69.5deg | 69.5deg | 69.5deg | 69.5deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 95mm | 100mm | 115mm | 125mm |
Bottom Bracket Drop | 58mm | 58mm | 58mm | 58mm |
Bottom Bracket Height | 314mm | 314mm | 314mm | 314mm |
Chainstay Length | 433mm | 433mm | 433mm | 433mm |
Chainstay Length Horizontal | 429.1mm | 429.1mm | 429.1mm | 429.1mm |
Front-Center | 654mm | 679mm | 702mm | 722mm |
Front-Center Horizontal | 651.4mm | 676.5mm | 699.6mm | 719.7mm |
Wheelbase | 1080.5mm | 1105.6mm | 1128.7mm | 1148.8mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm |
Trail | 91mm very high | 91mm very high | 91mm very high | 91mm very high |
Mechanical Trail | 85.3mm | 85.3mm | 85.3mm | 85.3mm |
Wheel Flop | 29.9mm | 29.9mm | 29.9mm | 29.9mm |
Tire to Pedal Spindle | 112mm 170 mm cranks | 137mm 170 mm cranks | 160mm 170 mm cranks | 180mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 144mm 170 mm cranks | 144mm 170 mm cranks | 144mm 170 mm cranks | 144mm 170 mm cranks |
Base Build
15 | 17 | 19 | 21 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.4in | 2.4in | 2.4in | 2.4in |
Tire Outer Diameter | 743.9mm | 743.9mm | 743.9mm | 743.9mm |
Bike Length with Tires | 1824.4mm | 1849.5mm | 1872.6mm | 1892.7mm |
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
Hardtail Cross-country MTBSource:https://www.rideberg.com/product-page/team-01-frame