The Strong Base is, as the name indicates, a stable and very strong frame - particularly suited for large seats such as the x:panda size 4 and Panda Futura size 5. The seats can be mounted directly on the frame or by means of an adaptor. The frame is for indoor use and comes with height adjustment.
| The following specifications may only comply to some variants. |
| Intended for children |
| Total width: | 60 | cm |
| Total length: | 70 | cm |
| Weight: | 15.6 | kg |
| Load, max: | 120 | kg |
| Height, min: | 30 | cm |
| Height, max: | 55 | cm |
| Tilt-in-space forward : | 10 | ° |
| Tilt-in-space back: | 25 | ° |
