The JR-M502-LB aluminium rear suspension arm is produced for use with the Tamiya M-05, M-06 and MF-01X platforms. It replaces standard rear arms when the mounting points match and gives a firmer, longer-lasting alternative to stock plastic components.
Only the listed Tamiya models are supported, so confirm compatibility before fitting. Fitting mirrors the stock procedure: remove the original arm, inspect pivot and hinge-pin alignment, then refit using the existing chassis hardware. After installation check rear toe and camber to maintain your tuned settings.
As a tuning item this aluminium arm reduces flex and alters rear feedback rather than changing major suspension geometry. Expect a crisper response under load and plan modest setup checks after installation. The light blue coating is aesthetic and does not affect mount locations.
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