The Kyosho MZ6BK-06 set is a straightforward tuning accessory for Mini-Z owners. It includes three identical 6-tooth pinions so you can swap gears for different track conditions without fuss.
These pinions are intended for the MR-03 chassis but also work with MR-015 and MR-02 platforms that share the same motor/pinion interface. They are helpful when you want repeatable gearing across several cars.
On twisty layouts where quick off-the-line response matters, a 6T pinion boosts torque to improve lap times through tighter corners. It is a common choice for club racing and practice sessions.
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