This front lower suspension arm set is an RC-scale replacement designed for TAMIYA TT01 and TT01E chassis, sold as the JR-TT106-BK kit. The metal arms replace common molded parts to reduce flex and combat repetitive wear that degrades steering precision during extended runs.
The parts are listed as black aluminum and are built as direct-fit replacements that preserve TT01/TT01E geometry. Installation uses the original suspension pins and hardware, so you should be able to swap them in without adapters.
Fitting aluminum lower arms alters suspension feedback and can change camber and toe tendencies under load versus plastic arms. After installation, re-check alignment, shock preload, and toe settings to restore balanced steering behavior.
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