This 51-tooth spur gear is a direct-fit RC-scale replacement intended for HPI Savage Nitro off-road models. Built from POM engineering plastic with a black finish, the gear restores correct tooth engagement and maintains reliable mesh with standard pinion sizes used on Savage series trucks.
The part is sized for hobby RC drivetrains and focuses on straightforward swap-in installation. When replacing the spur gear, verify pinion alignment and free rotation of the gearbox output to avoid premature wear. Use the gear mainly to repair worn teeth or to restore original gearing after upgrades to other drivetrain components.
Use this JAZRIDER spur gear to replace worn 51-tooth main gears on HPI Savage trucks, checking gear mesh and drivetrain free play after installation for consistent performance.
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