Maintaining reliable steering and control starts with small replacements. The KO Propo 35035 RSx3 Upper Case is a replacement top cover that guards gears and electronics from dust and everyday wear, helping maintain predictable performance.
The RSx3 upper case fits selected KO Propo servo models and suits modellers who perform routine checks and upgrades. It offers a precise fit so the internal assembly remains secure under load.
Before fitting, clean the inside and check for stripped gears or loose bearings. Tighten fasteners evenly and cycle the horn by hand to ensure free movement before refitting the servo to your model.
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