This RC-scale front suspension arms set fits the TAMIYA TT-02B chassis and is designated as model JR-TT2B04-GU. The gun metal aluminium pieces are supplied as an option to replace the original plastic front arms, providing a stiffer mounting point at the nose of the car.
These parts are focused on the TT-02B front suspension arrangement. Fitting them uses the existing mounting points and usually requires removing the stock arms and installing the aluminium set in the same orientation, secured with the chassis's pins and screws. Inspect steering link and servo clearances during installation to prevent binding.
On-track the aluminium arms alter front stiffness and change steering feedback; this affects corner entry and braking balance. Make measured adjustments to toe, camber and damper settings to regain desired handling characteristics.
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