AD-XF Front Bulk Head (for AD X-Series) RDX YD2 RD1 RD2 - BLACK RED PURPLE [Team AD] AD-XF Adjustable front bulk head from Team AD. Quick caster adjustment, L-Arm for direct drive steering support(if mid/rear servo). *AD-9017 is needed (see below) for RDX. RD2.0 and ZX/RX
