Upgrading a YZ-834B Dog Fighter? The Yokomo ZB-PG3217 steel pinion is a 32-pitch, 17-tooth component chosen for durability and consistent engagement. It helps preserve gear geometry and reduces the need for frequent replacements.
Compared with softer materials, steel pinions deliver superior wear resistance and maintain tooth profile under hard use. The ZB-PG3217 is intended to give dependable contact between motor and spur for longer service intervals.
The ZB-PG3217 matches the mounting and shaft standards of the YZ-834B chassis, making it easy to drop in and go. Correct fitment promotes stable handling and consistent top speed runs.
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