Precision Race Pinion - Serpent 120159 - 48P 21T Aluminum Motor Pinion Gear  [SER120159]

Serpent SER120159 Motor-pinion Aluminium Hard 48P / 21T
Price:
CAD$19.46
Brand:
Serpent
Model:
SER120159
Condition:
Brand New
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Dial In Drivetrain Performance with Serpent 120159

The Serpent 120159 - 48P 21T Aluminum Motor Pinion Gear is machined from quality aluminum to strengthen your RC vehicle's drivetrain. With its 48-pitch, 21-tooth layout it delivers accurate tooth engagement and consistent power transfer, making it a practical upgrade for track-focused hobbyists and weekend builders.

Built for Racing and Bashing

Forged from hardened aluminum, the Serpent 120159 pinion resists wear under high RPM and heavy load conditions. Its lighter rotating mass helps reduce inertia for crisper acceleration and can contribute to longer battery life during typical runs. This gear is suited to users who need dependable performance during competition or rough use.

Fitment and Tuning Notes

Designed for setups that use a 48-pitch gear system, the 21-tooth configuration offers a balanced trade-off between top speed and torque. Confirm shaft diameter and pinion mesh before fitting, and make small spacing adjustments to prevent premature wear and noisy operation.

Which RC drivetrains work with this pinion?

Any model that uses a 48-pitch gear train can accept this pinion, provided the motor shaft diameter matches and the mesh can be set correctly.

How does aluminium compare to steel pinions?

Aluminium is lighter and reduces rotating mass, improving acceleration and easing stress on bearings, though steel can offer higher ultimate wear resistance in some situations.

Any installation tips to avoid gear damage?

Set a correct backlash with a thin shim or by adjusting motor mount position, ensure the set screw tightness is appropriate, and check mesh after a short run to verify nothing has shifted.

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