The upright features lower roll center positions that improve stability of the car with less collapse in high-speed corners.
To improve the reliability and strength, the uprights are moulded from medium hardness composite mixture that is suitable for most track conditions.
Rear uprights feature aluminum roll center mounts with multiple upper roll center positions.
The multi-function uprights have the upper roll center position in the middle of the axis of the driveshaft joint to help generate more traction and increase stability.
There are four different uprights available: medium, hard, graphite, and aluminum, each suitable for particular track conditions.