Item No NVK-5157 Description Novak's 5mm 32-Pitch Steel Pinion Gear, which are available in six gear-tooth sizes, mesh with Novak's HV High-Voltage Brushless Motors (#3524-3527) and other brushless motors with a 5mm output shaft. This durable motor and pinion gear combination can be used to power Monster trucks, including the Traxxas® E-Maxx™ and HPI® E-Savage™. The 32-pitch gears are nickel plated to resist corrosion and are designed with ultra-precise concentricity to prevent wobbling. All Novak gears include a 4mm x 4mm set screw and have the gear size marked for easy identification.