| Alpha 4 Hike | 23 | 25 | 28 | |
| 2008 | 2008 | 2008 | ||
| In-Flight-Weight | kg | 55 - 95 | 65 - 105 | 78 - 125 |
| Main-Use | Mountain | Mountain | Mountain | |
| Certifications | ; | ; | ; | |
| Naked-Pilot | kg | 60 | 69 | 85 |
| Wing-Load | kg/m² | 3,2 | 3,3 | 3,6 |
| Wing-Weight | kg | 3,9 | 4,2 | 4,6 |
| Area | m² | 23,66 | 25,59 | 28,47 |
| Area proj | m² | 20,27 | 21,92 | 24,39 |
| Span | m | 10,60 | 11,03 | 11,63 |
| Span proj | m | 8,45 | 8,79 | 9,27 |
| Ratio | 4,75 | 4,75 | 4,75 | |
| Ratio proj | 3,52 | 3,52 | 3,52 | |
| Rows | 4 | 4 | 4 | |
| Boxes | 27 | 27 | 27 | |
| Cells | 39 | 39 | 39 | |
| Closed Cells | 4 | 4 | 4 | |
| Lines Ø diam. | 1,3 mm; 1,1 mm; 0,7 mm; 0,6 mm | 1,3 mm; 1,1 mm; 0,7 mm; 0,6 mm | 1,3 mm; 1,1 mm; 0,7 mm; 0,6 mm | |
| Lines distance | m | 6,74 | 7,01 | 7,39 |
| Lines total | ||||
| Flattening | % | 14 | 14 | 14 |
| Accelerated speed | km/h | 49 | 49 | 49 |
| Basic speed | km/h | 40 | 40 | 40 |
| Minimum speed | km/h | 24 | 24 | 24 |
| Best-Sink-Rate | m/s | 1,2 | 1,2 | 1,2 |
| Best-Glide-Ratio | 1,3 m/s - 40 km/h | 1,3 m/s - 40 km/h | 1,3 m/s - 40 km/h | |
| GR/Fmax Estimations | 8,5 - 8,8 (8,8 p) | 8,5 - 8,8 (8,8 p) | 8,5 - 8,8 (8,8 p) | |
| Upper-Surface | Skytex 27 g/m² | Skytex 27 g/m² | Skytex 27 g/m² | |
| Under-Surface | Skytex 27 g/m² | Skytex 27 g/m² | Skytex 27 g/m² | |
| Lines type | Technora | Technora | Technora | |
| Risers | 5(2A+1A'/3B/4C/2D) | 5(2A+1A'/3B/4C/2D) | 5(2A+1A'/3B/4C/2D) | |
| Accelerator | cm | 13 | 14 | 14 |
| Trims | No | No | No | |
| Ears | m/s | 2 | 2 | 2 |
| B Lines | m/s | 6 | 6 | 6 |