This rear body post support is a graphite accessory intended for the Tamiya F103GT SSG platform, offered as 3Racing part F103GT-13/SG. It acts as a rigid, lightweight anchor to reduce rear post flex and maintain body shell position during track tuning and testing.
Installation is simple: align the support with the rear post holes on F103GT SSG style bodies and secure to the rear subframe. The component helps control body movement from uneven surfaces or chassis roll that can affect aerodynamic balance and driver feedback.
Fit this support when you need a firmer rear mount to isolate suspension or aero changes during setup. It is an aftermarket accessory for hobby RC use and routine setup procedures.
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