Replacement alu upright from the set #350909. Alu rear uprights are specially designed for GT class and feature the suspension geometry suitable for both nitro and electric GT. The aluminum uprights provide increased stability on-/off-power and extra mounting with set screw for reduced play. Machined from premium Swiss 7075 T6 aluminum the uprights are also stronger and more reliable than standard composite ones. Set of 1. Fits left and right side.