CNC-machined premium-quality aluminum set-up tires for 1/8 GT automobiles permit perfectly exact and repeatable set-up modification and tweak modification. Eliminates set-up errors inherent for making utilization of standard off-road tires. Precision-machined to exacting tolerances, each aluminum set-up wheel in friends is completely matched. Helpful for journey height checking, tweak checking and camber checking of all the GT automobiles.