Complete fully-adjustable aluminum back upright set features straight back aluminum hubs, carbon fiber expansion plates for camber website link alterations and eccentric roll center bushings for lower roll center modification. The eccentric bushings allow two various upper/lower roll center improvements too two different inner/outer roll center functions. The top roll center location provides more traction in many conditions while the paid off roll center destination makes the automobile more free in corners and it is appropriate high traction conditions. The composite eccentric bushings could be just exchanged whenever worn inside the dusty conditions to reduce maintenance costs. The most effective carbon fibre extensions are machined from lightweight carbon fiber to attenuate the extra fat whilst having 3 camber hyperlink positions. The aluminum uprights are more powerful ergo ensuring greater reliability and increased lifetime. CNC-machined from high-grade Swiss 7075 T6. Your whole set includes outside 8x16x5mm ball-bearings and inside 13x20x4mm ball-bearings.