Lightweight yet ultra-strong backside upright molded from unique graphite composite product. Features bigger outside 8x16x5mm ball-bearing for increased dependability and life-span. Graphite rear upright is quite strong and makes the trunk of vehicle really stable, yet is incredibly light with a couple load through the back suspension system system system. Improves bump taking in and handling on bumpy songs. To give the set-up alternatives, another reduced roll-center modification destination was added. Suitable for many track conditions, specially for medium- and high-traction songs. The smart design permits comparable upright become utilized on both staying & right sides. The lower suspension system pin which a sizable part upright sits features 2 shims for wheelbase modification. The rear upright features incorporated geometry corrections including: camber, top and reduced roll center and wheelbase.