The JR-TT104-RD aluminium front upper suspension arm is supplied as an RC-scale replacement for TAMIYA TT01 and TT01E chassis. Machined aluminium with a red anodised finish substitutes the factory plastic arm to provide a firmer upper mounting point while retaining original mounting geometry.
Fitting follows the chassis' stock hinge pin and mount positions, so no chassis modification should be necessary beyond swapping the arms. When installing, inspect alignment and check for contact with steering links and the shock towers; added stiffness can shift camber and suspension compliance, so re-check toe and camber after installation.
These aluminium arms are used to reduce flex at the upper pivot and to stabilise roll characteristics under load. They are intended for hobby-grade 1/10 touring applications where metal components are preferred for consistent handling and longer life.
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