Supplied as 1 pc, this 12T pinion is a cost-effective spare for scale Kyosho motorcycle motor installations. The gear is stamped in #45 steel and matches the typical 12T sizing found on many model motorcycle motors.
To install, place the pinion on the motor shaft, align the teeth with the spur or gearbox input and secure the set screw. Always confirm shaft diameter and set screw position before fitting to ensure correct engagement and to avoid gear damage.
A steel 12T pinion offers steady mesh characteristics and enhanced wear resistance compared with softer materials, which can change acceleration and top speed depending on your chosen gearing. Ideal when a long-lasting, standard motor pinion is needed for Kyosho-style motor arrangements.
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