Feather setting to the body weight adapt
The hardness of the springs is put with the rotary element on 45 to 130 kg weight. With the child model is the shifting area 25 to 50 kg.  

Feather setting to the body weight adapt

The hardness of the springs is put with the rotary element on 45 to 130 kg weight. With the child model is the shifting area 25 to 50 kg.