This aluminium rear suspension arm set is designed for the TAMIYA TT-02B chassis and is supplied as model JR-TT2B05-RD. The red finished arms are offered as an aftermarket upgrade to the original plastic parts to provide a stiffer mounting point for rear suspension elements while maintaining scale-appropriate looks.
Installation requires no chassis modification — the arms replace the stock rear arms and fit into the same mounting points on the TT-02B. After installing, double-check fastener torque, inspect suspension travel and confirm wheel alignment prior to running the model.
As a tuning upgrade, these aluminium arms reduce flex relative to standard plastic arms, helping the rear suspension preserve its geometry under load which can improve consistency during setup changes. The red finish also makes upgraded items easy to spot during servicing.
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