If you are refining gear ratios, the Kyosho MZW119 SP Pinion Gear Set supplies the common tooth sizes needed for tuning. The kit includes 6T, 7T, 8T and 9T pinions so you can tailor performance to tyre grip and circuit demands. Manufactured to close tolerances, these pinions support steady power transfer and reduced drivetrain noise for a neater running package.
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