This aluminium rear upper suspension arm is produced as a drop-in replacement for the TAMIYA TL-01, GF-01 and WR-02 chassis. Finished in black, it replaces the OEM plastic arm and installs above the rear hub carrier as part of the upper linkage.
The arm helps retain rear wheel alignment, control camber shift and influence roll-center placement within the rear suspension geometry. Aluminium construction reduces flex at mounting points and enables a more repeatable geometry during dynamic loads, aiding consistent handling across runs.
Installation typically involves removing the rear hub carriers and swapping the arm while verifying ball-stud and pivot clearances. Confirm that mounting holes and studs seat correctly without binding and check for smooth articulation through the full suspension travel. Standard service checks such as thread engagement and fastener security are recommended after fitting.
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