If you want to extend the service life of RSx2 or RSx3 servos, the KO Propo 35557 Aluminum Gear Set is a straightforward upgrade. Built to replace standard parts, this kit gives a more durable gearing solution for everyday use and racing.
Aluminum gears deliver improved resistance to wear and better load handling compared to plastic gears, which helps maintain consistent servo response under higher stress. That makes them a preferred swap for drivers pushing their rigs hard.
This gear set is made to mate cleanly with RSx2 and RSx3 servos, and replacement is generally quick with basic tools. The parts are arranged for straightforward installation, so both experienced tuners and hobbyists new to upgrades can fit them easily.
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