Serpent 120138 Aluminium 64P/51T Hard Pinion Gear - Track Tested  [SER120138]

Serpent SER120138 Motor-pinion Aluminium Hard 64P / 51T
Price:
AUD$24.44
Brand:
Serpent
Model:
SER120138
Condition:
Brand New
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Reliable aluminium pinion for smoother drivetrains

The Serpent 120138 motor-pinion uses robust aluminium construction to offer a dependable 64P/51T upgrade for RC enthusiasts. Its hardened tooth profile helps maintain clean engagement and steady torque transfer, useful for both race setups and weekend runs. Regular inspections and correct mesh settings will help it perform consistently.

Yes, the 64P/51T pinion works with many brushless systems, but match the pinion to your motor shaft and ensure the mesh suits the torque output to avoid premature wear.
Aluminium is lighter and can be softer than steel, but a hardened aluminium pinion offers a good balance of weight and durability for hobby use; inspect teeth if you run high power regularly.
Use a thin shim or cardstock to set a small clearance, tighten the set screw while holding the pinion in place, then recheck after a short run to confirm no shifts have occurred.

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