The Tamiya 53724 - TB Evolution IV Lightweight 46mm Swing Shaft uses extra super duralumin (ESD) to trim mass where it matters, keeping strength for repeated track use. It is a straightforward performance part for TB Evolution IV builds.
Built to pair with the TB Evolution IV and TRF 415 Reversible Lightweight suspension kit, this shaft promotes smoother torque transfer and improved responsiveness. The blue anodise also helps resist surface wear during regular use.
Because it is 46mm, the shaft is sized for TB EVO 4 and TRF 415 assemblies for hassle-free installation. It is suitable when replacing worn shafts or fine tuning the chassis for sharper handling.
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