This 6061 T6 aluminium servo horn for the Traxxas TRX4 is built to enhance the locking differential action while keeping strength and low mass. The built-in spring helps soak up shocks so the servo sees less sudden impact on rough terrain.
To achieve a snug assembly, place the 3mm metal washer beneath the stainless steel round head screw. That prevents any gap between the screw head and the aluminium collar, ensuring consistent linkage alignment.
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