The Serpent SER120117 Motor-pinion suits modellers seeking reliable, repeatable gearing adjustments. Made from hard aluminium, this 64 pitch, 30-tooth pinion gives a long-wearing alternative to softer materials while keeping weight down for nimble motor response.
The aluminium construction provides a strong contact surface and helps stabilise gear mesh under varied loads. Riders looking for steady acceleration and predictable drivetrain behaviour will find it a straightforward upgrade.
This pinion is compatible with most motors that take a 64 pitch, 30-tooth gear. Check shaft size and set screw alignment during installation to secure correct mesh and avoid premature wear on both pinion and spur gear.
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