Connecting parts for thigh support: Pin 5210 1 923 905 + Retainer 5210 1 936 164 = released Connecting parts for thigh support: Pin 5210 1 923 905 + Retainer 5210 1 936 164 = released,Connecting parts for thigh support: Pin 5210 1 923 905 + Retainer 5210 1 936 164 = released