2025 Flanders Cycles Bossberg Base
- Design
- Flat Bar, Full suspension
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 | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
Small | Medium | Large | X Large | |
Stack | 585mm | 590mm | 605mm | 621mm |
Reach | 409mm | 428mm | 448mm | 469mm |
Stack to Reach Ratio | 1.43:1 | 1.38:1 | 1.35:1 | 1.32:1 |
Seat Tube Length, Unknown | 410mm | 445mm | 483mm | 530mm |
Top Tube Slope | 20.1deg | 16.4deg | 13.6deg | 10.3deg |
Head Tube Angle | 68deg | 68deg | 68deg | 68deg |
Seat Tube Angle | 73.8deg | 73.8deg | 73.8deg | 73.8deg |
Head Tube Length | 100mm | 105mm | 120mm | 135mm |
Bottom Bracket Drop | 40mm | 40mm | 40mm | 40mm |
Bottom Bracket Height | 328.2mm | 328.2mm | 328.2mm | 328.2mm |
Chainstay Length | 438mm | 438mm | 438mm | 438mm |
Chainstay Length Horizontal | 436.2mm | 436.2mm | 436.2mm | 436.2mm |
Front-Center | 682mm | 702mm | 721.9mm | 741.9mm |
Front-Center Horizontal | 680.8mm | 700.8mm | 720.8mm | 740.8mm |
Wheelbase | 1117mm | 1137mm | 1157mm | 1177mm |
Fork Offset/Rake | 47.9mm | 46.9mm | 41.3mm | 34.4mm |
Trail | 97.1mm very high | 98.1mm very high | 104.2mm very high | 111.7mm very high |
Mechanical Trail | 90mm | 91mm | 96.6mm | 103.5mm |
Wheel Flop | 33.7mm | 34.1mm | 36.2mm | 38.8mm |
Tire to Pedal Spindle | 143.9mm 170 mm cranks | 163.8mm 170 mm cranks | 183.8mm 170 mm cranks | 203.8mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 158.2mm 170 mm cranks | 158.2mm 170 mm cranks | 158.2mm 170 mm cranks | 158.2mm 170 mm cranks |
Base Build
Small | Medium | Large | X Large | |
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 | 2.25in | 2.25in | 2.25in | 2.25in |
Tire Outer Diameter | 736.3mm | 736.3mm | 736.3mm | 736.3mm |
Bike Length with Tires | 1853.3mm | 1873.3mm | 1893.3mm | 1913.3mm |
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 Cross-country MTBSource:https://flanderscycles.com.au/product/bossberg/