2019 Sonder Broken Road Base Small
Build
650B/27.5 in × 2.8 in
Insights
Somewhat aggressive stack and reach vs trend of hardtail 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 | 595mm |
| Reach | 410mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, C-T | 395mm |
| Top Tube Length, Effective/Horizontal HT Top | 592mm |
| Top Tube Length, Actual C-C | 600mm |
| Top Tube Slope | 22.5deg |
| Head Tube Angle | 68deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 58mm |
| Bottom Bracket Height | 305.1mm |
| Chainstay Length | 440mm |
| Chainstay Length Max | 460mm |
| Chainstay Length Horizontal | 436.2mm |
| Chainstay Length Horizontal Max | 456.3mm |
| Front-Center | 708.2mm |
| Front-Center Horizontal | 705.8mm |
| Wheelbase | 1142mm |
| Wheelbase Max | 1162.2mm |
| Fork Offset/Rake | 50mm |
| Fork Length (Axle-To-Crown) | 470mm |
| Trail | 92.8mm very high |
| Mechanical Trail | 86mm |
| Wheel Flop | 32.2mm |
| Standover Height | 746mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 175.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 135.1mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.8in |
| Tire Outer Diameter | 726.2mm |
| Bike Length with Tires | 1868.2mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Titanium |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 2 in to 5 ft 7 in |
Source:https://www.alpkit.com/sonder/sonder-broken-road