This aluminium front upright knuckle arm set is supplied as a scale replacement for TAMIYA TA01, TA02W, DF01 and Hotshot chassis. The gun metal finish identifies the surface treatment; aluminium construction lowers flex versus the original plastic uprights. The component is intended to boost steering rigidity and longevity while preserving chassis geometry when fitted properly.
Installation advice: remove the original front uprights and transfer bearings or inner bushings from the stock items where needed. Fit the aluminium knuckles to the steering hubs and suspension uprights, using the vehicle's existing fasteners if they are compatible. After fitting, check steering travel and wheel alignment, and re-check screw torque after the first session to ensure secure assembly.
Tuning commentary: replacing plastic uprights with aluminium increases front-end stiffness, sharpening steering response and making suspension feedback more immediate. This can affect camber and toe behaviour at the wheel, so plan on minor trimming to restore the handling balance you prefer.
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