This 15-tooth pinion gear is designed for the MT12, the 1/12-scale Team Associated RC truck. It determines the gear ratio in the drivetrain, enabling you to tailor acceleration and top speed to match track conditions and driving style.

For MT12 chassis, this pinion gear provides a precise 15-tooth option to fine-tune performance. It's a straightforward upgrade for racers looking to adjust speed and torque to their preferred setup.