This front lower arm set offers an aluminum replacement option for TAMIYA TT01 and TT01E chassis, listed as JR-TT106-BK. The metal components are intended to take the place of standard plastic arms to improve steering precision and reduce flex-induced wander during runs.
Sold as black aluminum parts, they are engineered to preserve TT01/TT01E geometry and attach using the chassis' original suspension pins and hardware. Expect a direct swap in most cases without added brackets.
Switching to aluminum will change front-end stiffness and can affect camber and toe behavior under load. It is recommended to re-check alignment and shock preload after installation to ensure consistent handling characteristics.
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