Mini-Z AWD Racing Pinion Aluminium AWD-33 by 3Racing  [AWD-33]

Precision aluminium motor pinion for Mini-Z AWD

This aluminium motor pinion is supplied for Mini-Z AWD cars as a direct swap or performance hop-up from softer metal pinions. It aims to deliver lower spinning mass and a harder contact face so drivetrain mesh stays stable across running sessions.

Fitment and role: the pinion fits on the motor shaft and pairs with your existing spur and gearbox. As an aluminium part it alters the mass and stiffness profile compared with brass or steel, affecting acceleration response and how teeth wear. Select this pinion when you need a lighter gearing option for tuning acceleration and heat management in race conditions.

Installation tips: clean the motor shaft and the set screw area before fitting, check for axial and radial play, and run a slow rotation check to verify mesh. Keep to the chassis' original spacer and shim sequence where applicable to avoid over-stressing the gear teeth. Replace any deformed or worn set screws and remove burrs on the spur.

Maintenance and tuning: monitor the pinion for signs of tooth rounding and use light gear-safe lubrication on the spur gear rather than heavy compounds that trap debris. Changing tooth counts will change acceleration and top speed, so alter in one-tooth increments and test on consistent track conditions.