| Modelis | J15 | J20 | J25 | G20 Pro |
| Augstums (cm) | 15 cm | 20 cm | 25 cm | 20 cm |
| Garums (cm) | 65 cm | 76 cm | 85 cm | 80 cm |
| Platums (cm) | 40 cm | 40 cm | 40 cm | 50 cm |
| Svars (kg) | 3 kg | 3,5 kg | 4 kg | 7,3 kg |
Graw rampas izmēra diagramma
| Modelis | J15 | J20 | J25 | G20 Pro |
| Augstums (cm) | 15 cm | 20 cm | 25 cm | 20 cm |
| Garums (cm) | 65 cm | 76 cm | 85 cm | 80 cm |
| Platums (cm) | 40 cm | 40 cm | 40 cm | 50 cm |
| Svars (kg) | 3 kg | 3,5 kg | 4 kg | 7,3 kg |