The Kyosho MZ6BK-09 Pinion Gear Set provides three 9-tooth gears aimed at preserving smooth operation in Mini-Z MR-03 cars. These replacements are practical for regular servicing and quick fixes at the track.
These pinions are intended for MR-03 but are also compatible with MR-015 and MR-02 models. Hobbyists commonly use them to swap out worn pinions or keep a small stock of spares for race day repairs. The fitting process is quick and straightforward.
Keep a set on hand for scheduled maintenance or after noticing gear noise or slip. The 9T pinions deliver consistent gearing for practice and club events without altering setup complexity.
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