Lightweight yet ultra-strong backside upright molded from unique graphite composite item. Features bigger outside 8x16x5mm ball-bearing for increased dependability and life-span. Graphite rear upright is quite strong and makes the trunk of automobile actually stable, yet is incredibly light with a couple of load through back suspension system system system system. Improves bump consuming and managing on bumpy songs. To provide the set-up options, another paid off roll-center modification location was added. Suitable for numerous track conditions, especially for medium- and high-traction songs. The smart design allows comparable upright become applied to both remaining & right edges. The reduced suspension system pin which a sizable component upright sits features 2 shims for wheelbase modification. A corner upright features incorporated geometry modifications including: camber, top and reduced roll center and wheelbase.