The PG-4840A is a precision 40-tooth pinion manufactured from hard-coated aluminium to combine accurate tooth form with reduced mass. Its 48-pitch specification ensures straightforward compatibility with standard spurs for dependable meshing and smoother power transfer.
The hard coating enhances surface hardness and lowers the chance of premature wear at the contact surfaces. That means the PG-4840A maintains consistent engagement longer than untreated aluminium pinions under routine maintenance.
This pinion is well suited to 1/10 scale RC models using 48-pitch gears, whether you are replacing a worn component or changing your final drive ratio for track or practice sessions.
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