2022 Sonder Signal Base Medium
Build
700C/29 in × 2.6 in
Insights
Somewhat aggressive stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Design deviates from other sizes of Sonder Signal
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 606mm |
| Reach | 440mm |
| Stack to Reach Ratio | 1.38:1 |
| Seat Tube Length, C-T | 425mm |
| Top Tube Length, Effective/Horizontal HT Top | 606mm |
| Top Tube Slope | 19.5deg |
| Head Tube Angle | 66deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 312mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 420mm |
| Front-Center | 731.9mm |
| Front-Center Horizontal | 729mm |
| Wheelbase | 1149mm |
| Fork Offset/Rake | 42mm |
| Fork Length (Axle-To-Crown) | 541mm |
| Trail | 121.9mm very high |
| Mechanical Trail | 111.4mm |
| Wheel Flop | 45.3mm |
| Standover Height | 738mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 184.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 142mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Bike Length with Tires | 1903.1mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 130mm |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 6 in to 5 ft 10 in |
Source:https://us.alpkit.com/products/sonder-signal-st-frame