This XRAY 306519 aluminium post is a purpose-built RC chassis part that joins the top deck to the chassis plate, creating a firmer link between those points. The product name specifies a nominal 27.5MM length, used to counter chassis flex that can undermine handling during high-speed runs.
It installs easily where a top deck and chassis plate are secured by posts or spacers, allowing the post to replace or augment the existing connector to modify torsional stiffness. Standard model fasteners are typically all that is needed; there are no electronic components and the item is not adjustable beyond its fixed geometry.
For tuning the post is a tool to manage chassis rigidity: a stiffer top-deck connection usually improves high-speed stability and mitigates off-throttle rotation, though comprehensive balance tuning should include suspension and weight distribution work. This product is intended exclusively for RC vehicle chassis tuning and not for any full-scale applications.
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