32P pitch Pinion Gears 3mm 3.175mm shaft, 9T - 24T tooth, Aluminium for RC Motor
32 Pitch: The gap between each tooth, check this matches your spur gear. Spur Gear: The larger gear which goes on the gearbox or drivetrain. Smaller Pinion/Larger Spur gear: Lower top speed, higher acceleration, lower motor temperature.