The Yokomo PG-4820A is a precision hard coated aluminum 20-tooth pinion gear made for 48 pitch drivetrains. It balances low weight with improved surface hardness to help sharpen throttle response while maintaining dependable mesh with matching spur gears.
Aluminum reduces rotational mass for quicker acceleration and more immediate spool up, and the hard coat helps resist wear during routine running. That combination makes it a practical upgrade when you want better responsiveness without adding weight.
This 20T pinion suits many 1/10 scale vehicles that use a 48 pitch gear system. Check your motor shaft diameter and mounting method before fitting, but the PG-4820A generally installs quickly so you can get back to tuning or track time.
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