The Tamiya 15453 JR Carbon Reinforced Pinion Gear is a practical upgrade for Mini 4WD fans seeking improved gear longevity. Fabricated from carbon-reinforced nylon resin, the set balances toughness with light mass, suitable for builders and racers alike.
The kit contains six 8-tooth pinions compatible with both Mini 4WD and Mini 4WD PRO formats. Carbon reinforcement helps these gears resist wear and maintain reliable engagement under racing conditions.
Fitting an 8T pinion is a straightforward way to alter the drive ratio to favour quicker acceleration or to better match motor characteristics for higher top speed. It is a common tuning step when refining setup for particular track layouts.
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