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 acts as a visual and locating aid during pre-run setup to verify caster and steering axis orientation.
To fit it, attach the adapter at the pointed mounting location on your 4D Setup system or the vehicle’s setup jig, align it to the chassis datum points, and consult the pointer to check caster angle as you alter suspension or steering block settings. The accessory is designed solely for scale RC setup tasks.
When used as part of iterative setup work, the adapter helps keep measurements consistent so you can reproduce caster positions between test runs. It does not change the suspension geometry itself, but supports accurate measurement and record keeping.
Compatible with XRAY X20 and X23 models as specified in the product designation.
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