2023 Sonder Prima Al Medium
Build
700C/29 in × 28 mm
Insights
Somewhat aggressive stack and reach vs trend of performance road bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 535.3mm |
| Reach | 390mm |
| Stack to Reach Ratio | 1.37:1 |
| Seat Tube Length, C-T | 500mm |
| Top Tube Length, Effective/Horizontal Center | 548.6mm |
| Top Tube Slope | 6deg |
| Head Tube Angle | 73.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 404mm |
| Front-Center | 576.9mm |
| Front-Center Horizontal | 572.6mm |
| Wheelbase | 976.6mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 370mm |
| Trail | 53.5mm mid/neutral |
| Mechanical Trail | 51.3mm |
| Wheel Flop | 14.6mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 67.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 99mm |
Al Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1654.6mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://alpkit.com/products/prima-al-105-di2?variant=40448964624489