This Arrowmax upper holder is a graphite bumper mount created for the XRAY T4 chassis family. It acts as the front bumper anchor and contributes to front-end rigidity used during setup sessions.
Built to replace or upgrade the stock upper bumper support, this part focuses front-end adjustments to alter steering response and weight distribution. The graphite material gives a useful balance of stiffness and minimal mass for track-focused tuning.
Fitting is straightforward for hobbyists: detach the old holder, place the graphite piece over the original mounting posts, then fasten with the supplied or original screws. When adjusting setup, change mounting points and screw torque in small steps and avoid overtightening to protect the graphite.
Use this Arrowmax graphite upper holder as a direct-fit replacement or a tuning upgrade to refine front stiffness while keeping the chassis weight low for competitive driving.
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