Aluminum backside uprights are specifically made for GT course and have the suspension geometry appropriate both nitro and electric GT. The aluminum uprights offer increased stability on-/off-power and extra mounting with set screw for paid off play. Machined from premium Swiss 7075 T6 aluminum the uprights are also stronger and more reliable than standard composite people. The entire pair of aluminum uprights includes graphite camber website link mounting plate, ball-bearings and all sorts of accessories for a direct replacement associated with the standard hubs. Top of the carbon fibre extensions are machined from lightweight carbon fiber to reduce the weight and feature 4 camber link positions. The aluminum uprights are stronger therefore ensuring higher dependability and increased life. The entire set includes outside 8x16x5mm ball-bearings and internal 13x19x4mm ball-bearings.