The JR-TRX418-BK aluminium body post mount fits Traxxas TRX-4 scale and trail crawlers and is supplied with a black anodized surface. It is intended to replace standard plastic posts to provide a firmer and more consistent body attachment point.
Functionally the mount holds the body to the chassis while still allowing fine height adjustments for tyre clearance and stance tuning. The aluminium material helps prevent distortion under load compared with stock plastic components, keeping alignment consistent over time.
Fitting is straightforward: remove the OEM post, align and seat the new mount, then confirm body clearance before final tightening. Check for any rubbing during suspension articulation and tweak as needed for the desired scale look.
Tuning impact: a more rigid mounting point affects body behaviour under chassis flex, so evaluate movement after installation and adjust body height to match your setup goals.
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