The XRAY 341204 composite downforce bumper with body posts is an RC-scale front lower bumper designed to control body movement and tune aerodynamic balance on the X8 2026 chassis.
The bumper includes extra body stops to limit chassis body shift under load, reducing unpredictable movement through high-speed corners. Removable outer window inserts let you alter the downforce profile in discrete steps so you can test small changes during setup sessions.
Body mount positions on the bumper match common racing body layouts to accommodate popular shells without major modification. The part is produced from a special composite material intended to resist impacts typical in competitive RC use while preserving the mounting geometry.
In practice this bumper serves two roles: a mechanical limiter that keeps the shell stable under lateral load, and an aerodynamic element that adds controlled downforce to improve steering precision and high-speed stability when tuned to track conditions.
Use the removable inserts and body stop positions to fine-tune how much the bumper limits body movement versus how much aerodynamic downforce it contributes, adjusting setup for grip and mid-corner precision.
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