The upright features paid off roll center jobs that improve security of the car with less collapse in high-speed corners. To enhance the reliability and energy, the uprights are moulded from medium hardness composite combination that's suited to many track conditions. Rear uprights feature aluminum roll center mounts with numerous top roll center jobs. The multi-function uprights have actually in fact the top of roll center devote the center of the axis associated with the driveshaft joint to help produce more traction while increasing security. There are four different uprights available: moderate, difficult, graphite, and aluminum, each perfect for particular track conditions.