This aluminium wheel joint is an aftermarket option for Tamiya DT03 chassis layouts. It replaces the OEM wheel joint to give a metal mounting point for the wheel hub on 1/10 scale models and is intended for maintenance or modest setup changes.
The component fits the wheel hub interface within the DT03 assembly. Fitting typically involves removing the wheel, swapping the joint at the hub and verifying correct seating, wheel mounting and free rotation once reinstalled.
In setup and tuning a metal joint is used to reduce hub slop and provide a repeatable reference for wheel alignment. It is positioned as a practical upgrade for repair and incremental tuning rather than a marketing performance claim.
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