For RC enthusiasts wanting to boost servo durability and smoothness, the KO Propo 35559 Aluminum Gear Set is a proven option. Built for the RSx1/3-12 family, these metal gears replace weak plastic parts to extend service intervals and reduce gear stripping.
The aluminum gears tolerate higher torque and repeated impacts without deforming, so servo response stays consistent during tight steering or long running sessions. That strength helps preserve precision when you push the car hard on technical tracks.
This gear set is made to fit RSx1/3-12 servos for a direct swap with minimal adjustments. Basic tools and a little time are all you need to install the set and get back on the track quickly.
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