The Kyosho MZ6BK-07 Pinion Gear Set gives racers a simple spare solution for Mini-Z MR-03 vehicles. This kit includes three identical 7T pinions to help maintain consistent drivetrain performance through repeated sessions.
These pinions are compatible with the MR-03 chassis and fit other Mini-Z models such as MR-015 and MR-02. They are intended for easy interchange when replacing worn components.
If acceleration feels hesitant or you hear grinding under power, fitting a fresh Kyosho MZ6BK-07 pinion will often resolve the issue. Installation is quick, making this a useful item for race day pits.
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