This caster pointer adapter is an aftermarket setup accessory produced by Arrowmax for use with XRAY X20-X23 chassis, supplied as a 1 pair arrangement for alignment reference in the 4D Setup system. It serves as a locating and pointing aid during static setup checks to help confirm caster settings and front-end geometry before track testing.
Installation is straightforward: mount the adapter to the designated pointer location on the 4D Setup system or the car’s setup jig, ensure it aligns with the chassis reference points, and use it to read caster angle or steering axis direction while making incremental suspension or steering block adjustments. The part is intended only for scale RC setup use.
As a tuning aid, the adapter provides a repeatable reference so small caster changes can be tracked across setup iterations. It does not alter suspension kinematics by itself, but helps the operator record and reproduce numeric or visual caster targets during setup refinement.
Compatible with XRAY X20 and X23 models as specified in the product designation.
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