For RC pilots updating their geartrain, the Serpent SER120174 aluminium motor pinion provides a strong, lightweight option. The 48-pitch, 36-tooth design is precision cut from hard aluminium for consistent tooth profile at speed.
The hard aluminium material reduces rotating mass while maintaining sufficient strength for everyday racing and recreational running. That helps with throttle response and keeps motor strain lower under acceleration.
Designed to mate with 48-pitch spurs, this 36-tooth pinion is a simple direct replacement in many models. It is ideal when tuning final ratios or improving gear mesh accuracy.
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