This aluminum front upright knuckle arm set is an RC-scale replacement meant for TAMIYA TA01, TA02W, DF01 and Hotshot chassis. The gun metal finish denotes the surface treatment, and the aluminum construction reduces flex relative to standard plastic uprights. The part is intended to improve steering rigidity and service life without changing chassis geometry when installed correctly.
Installation notes: remove the stock front uprights, transfer any bearings or bushings from the original pieces where applicable, and secure the aluminum knuckles to the steering hubs and suspension uprights using the vehicle's existing hardware when compatible. After fitting, check steering travel and wheel alignment, and retorque fasteners after the first run to ensure nothing has loosened.
Tuning role: fitting aluminum uprights increases front-end stiffness which tends to sharpen steering response and deliver more direct suspension feedback. This will influence how camber and toe react at the wheel, so expect minor trim adjustments after installation to restore the desired handling balance.
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