This is a replacement Traxxas Plastic Servo Gear Set for use with the Traxxas 2070 and 2075 servos. Also included are two bearings.

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Before you consider replacing stripped plastic gears with brand new plastic gears, take a look at the Traxxas Metal Gear Set (TRA2072R) for a more reliable, long-term upgrade.

Please watch the following video for help changing servo gears: