The Yokomo PG-4827A is a 27-tooth pinion machined from hard-coated aluminium to combine strength with low mass. Matched to 48 pitch spur gears, it is aimed at users who adjust gear ratios for different tracks or surface conditions.
Hard-coated aluminium resists surface wear while keeping rotating mass down, which helps drivetrain responsiveness. The coating improves longevity and keeps gear teeth in better condition over time.
This pinion is compatible with any RC setup using 48 pitch spur gears. Swap sizes to tune top speed or acceleration, and always confirm shaft fit and set screw alignment when changing pinions.
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