This GPM aluminium front C-hub and knuckle arm set is engineered to add a 5 degree caster to AXIAL SMT10 platforms, refining steering responsiveness and vehicle tracking. The parts are intended to improve front-end geometry for sharper turn-in and steadier handling across varied driving conditions. Compatibility includes the AXIAL-SMT10 GRAVE DIGGER AX90055, and the set also fits AXIAL-RR10 BOMBER and AXIAL-WRAITH models.