This 51-tooth spur gear is a direct-fit RC replacement designed for HPI Savage Nitro off-road models. Manufactured from POM engineering plastic with a black finish, the gear restores correct tooth engagement and ensures consistent mesh with standard pinions used across the Savage range.
The part is sized for hobby RC drivetrains and intended for a straightforward swap-in installation. When fitting the spur gear, confirm pinion alignment and smooth gearbox output rotation to prevent premature wear. Use the gear to repair worn teeth or to return gearing to original spec after drivetrain changes.
After installation, double-check gear mesh and drivetrain free play, then rotate the drivetrain by hand before running the model to ensure reliable operation.
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