2025 Sonder Falco Base
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Aluminum
- Suspension
- 120mm fork travel
- Features
- Disc brake
Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | 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 |
Geometry
Small | Medium | Large | X-Large | |
Stack | 628mm | 637mm | 646mm | 655mm |
Reach | 420mm | 440mm | 465mm | 495mm |
Stack to Reach Ratio | 1.5:1 | 1.45:1 | 1.39:1 | 1.32:1 |
Seat Tube Length, Unknown | 400mm | 425mm | 445mm | 465mm |
Top Tube Length, Effective/Horizontal Unknown | 588mm | 610mm | 638mm | 670mm |
Top Tube Slope | 24.8deg | 22.4deg | 20.4deg | 18.5deg |
Head Tube Angle | 66deg | 66deg | 66deg | 66deg |
Seat Tube Angle | 75deg | 75deg | 75deg | 75deg |
Head Tube Length | 100mm | 110mm | 120mm | 130mm |
Bottom Bracket Drop | 75mm | 75mm | 75mm | 75mm |
Bottom Bracket Height | 296mm | 296mm | 296mm | 296mm |
Chainstay Length | 430mm | 430mm | 440mm | 440mm |
Chainstay Length Horizontal | 423.4mm | 423.4mm | 433.6mm | 433.6mm |
Front-Center | 670.8mm | 694.7mm | 722.3mm | 756.2mm |
Front-Center Horizontal | 666.6mm | 690.6mm | 718.4mm | 752.4mm |
Wheelbase | 1090mm | 1114mm | 1152mm | 1186mm |
Fork Offset/Rake | 0.4mm | 0.3mm | -0.7mm | -0.7mm |
Fork Length, Unknown | 505mm | 505mm | 505mm | 505mm |
Trail | 164.8mm very high | 164.8mm very high | 166mm very high | 166mm very high |
Mechanical Trail | 150.6mm | 150.6mm | 151.6mm | 151.6mm |
Wheel Flop | 61.2mm | 61.2mm | 61.7mm | 61.7mm |
Tire to Pedal Spindle | 129.8mm 170 mm cranks | 153.7mm 170 mm cranks | 181.3mm 170 mm cranks | 215.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 126mm 170 mm cranks | 126mm 170 mm cranks | 126mm 170 mm cranks | 126mm 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 | 60mm | 60mm | 60mm | 60mm |
Tire Outer Diameter | 742mm | 742mm | 742mm | 742mm |
Bike Length with Tires | 1832mm | 1856mm | 1894mm | 1928mm |
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://alpkit.com/products/sonder-falco-mountain-bike-frame