Serpent SER120127 64P 40T Hard Aluminum Motor Pinion Gear - Precision Mesh  [SER120127]

Serpent SER120127 Motor-pinion Aluminium Hard 64P / 40T
Price:
NZD$26.80
Brand:
Serpent
Model:
SER120127
Condition:
Brand New
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Upgrade Motor Accuracy with Serpent SER120127 Pinion

The Serpent SER120127 is a precision aluminium motor pinion cut to a 64P pitch with 40 teeth for stable, predictable gear engagement. It is ideal for hobbyists seeking finer control over gearing and throttle response.

Robust Aluminium Build

Forged from hard aluminium, this pinion offers strength to resist wear while keeping weight down. The material choice reduces extra load on the motor and helps preserve performance over time.

64P Pitch for Smoother Operation

A 64-pitch tooth profile gives more accurate meshing than coarser pitches, which translates into smoother starts and cleaner acceleration when paired with a correctly matched spur gear.

Suitable for Multiple Setups

Compatible with a variety of common RC motor arrangements, the Serpent SER120127 is a practical replacement or upgrade part for fine tuning gear ratios and performance characteristics.

Fitting usually requires a small hex driver or grub screw tool to secure the pinion to the motor shaft, plus a spanner to hold the motor if needed for alignment.
Pitch affects tooth geometry rather than ratio. Top speed is determined by tooth count and final ratio, but 64P helps keep engagement smooth at high revs.
Coating is not recommended as it can alter tooth dimensions and affect mesh. If corrosion protection is needed, use light, compatible treatments and verify gear mesh afterward.
Inspect teeth for rounding, chips or uneven wear and listen for unusual gear noise under load. Replace the pinion if you notice rapid wear or damaged teeth.

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