This Arrowmax upper holder is a graphite bumper mount intended for RC-scale use on the XRAY T4 chassis family. It serves as the mounting point for the front bumper and contributes to the front-end rigidity and tuning options of the car's chassis.
Designed for direct replacement or upgrade of the upper bumper support, the part helps concentrate adjustments at the front end to influence steering response and weight transfer. The graphite material provides a balance of stiffness and light weight suitable for track adjustments without implying any real vehicle use.
Installation is straightforward for experienced hobbyists: remove the existing holder, align the graphite piece with the original mounting posts, and secure using the original hardware. When tuning, small changes to mounting position and clamp torque can affect front-end feel; avoid over-tightening to prevent stress on the graphite.
Use this part when you need a direct graphite replacement for the T4 upper bumper mount to fine-tune front stiffness and maintain lightweight chassis setup for track use.
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