Model makers can restore servo reliability with the KO Propo 35566 BSx4S-Grasper STD Stainless/Aluminum Gear Set. The stainless and aluminium components are intended as robust replacements for degraded gear sets.
Stainless steel gives strength and wear resistance while aluminium helps keep rotating mass lower, which together support smoother actuation and extended part life under repeated cycles.
Swap these gears into servos that have stripped teeth or show play in the drive train. Metal replacements are particularly useful where servos face sustained torque or constant movement.
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