The Arrowmax AM-RX8-348517 17T pinion gear is an RC-scale motor pinion produced for use with the XRAY RX8 chassis, made from 7075 aluminium with a hard coating to resist wear in standard on-road use.
This 17-tooth option is one of the series choices provided for basic gear ratio tuning; matching the pinion tooth count to the spur gear alters overall ratio and affects acceleration versus top speed. The range includes multiple tooth counts so builders can swap pinions to tune drivetrain behavior without modifying other components.
Installation notes: confirm correct mesh with the RX8 spur gear and set backlash within typical RC on-road tolerances, inspect teeth alignment after initial runs, and replace if visible wear appears. The hard-coated 7075 construction aims to balance lightweight mass and durability for routine RC motor gearing replacements.
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