Molded composite back upright with 2 roll center positions, applied to left or right side. The compact rear uprights are tiny in size but as a result of the important composite mixture used additionally quite strong. The lower roll center adjustment has 2 various jobs on the upright plus the upper roll center modification has 3 various jobs. The trunk uprights feature 0° toe to ensure stability preventing suspension geometry alterations in hard crashes.
For maximum drive train dependability bigger 5x12 ball-bearings are utilized inside outer position with an increase of powerful load. On the inner place small 5x10 ball-bearings are acclimatized to reduce unsprung fat.
