The KO Propo 35542 gear set replaces stock plastic gears in BSx servos to improve strength and deliver crisper control for track-focused use.
Metal gear trains take higher loads and maintain consistent feel over time, reducing slop and wear so the servo stays more precise across sessions.
These gears are intended for all KO Propo BSx servos; ensure correct alignment and check gearbox clearances during reassembly to protect shafts and bearings.
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