The Serpent SER120127 is a hard aluminium motor pinion cut to a 64P pitch and fitted with 40 teeth to provide accurate meshing and consistent drivetrain feel for scale and racing models.
Manufactured from hard aluminium, this pinion delivers a durable contact surface without adding undue weight to the motor assembly. That helps preserve motor efficiency while surviving normal wear.
Using a 64-pitch pinion gives more precise tooth engagement than coarser pitches, aiding smoother throttle modulation and cleaner gear transitions when navigating technical layouts.
Suitable as a replacement or an upgrade for many standard setups, the Serpent SER120127 helps hobbyists fine tune gear ratios or refresh worn components to maintain drivetrain reliability.
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