The JR-M502-LB aluminium rear arm is designed specifically for the Tamiya M-05, M-06 and MF-01X chassis and is offered as a direct replacement where mount geometry matches. It aims to reduce flex and improve part longevity compared with typical plastic rear arms.
Compatibility is restricted to the models listed; confirm your chassis code before fitting. Installation follows the same mounting arrangement as the original arm: remove the old piece, inspect pivot and hinge-pin fit, then refit with the original hardware. After installation recheck rear toe and camber to ensure handling remains within your desired parameters.
As a tuning component this aluminium arm changes rear response by limiting flex rather than modifying suspension geometry. The light blue finish is decorative and has no impact on mounting accuracy.
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