The KO Propo 35557 Aluminum Gear Set is a practical upgrade for RSx2 and RSx3 servos, supplying a metal alternative to standard plastic gears. It is intended to increase mechanical robustness for regular use and competitive running.
Metal gears stand up better to shock and repeated loading, reducing the risk of stripped teeth and maintaining reliable servo action. That stability matters when you need predictable steering or throttle response.
This gear set matches the RSx2 and RSx3 mounting and tooth forms, and replacement is normally done with basic hobby tools. The straightforward fit makes it suitable for tuners and casual builders alike.
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