This 19T steel pinion is an aftermarket replacement intended for Axial Yeti and Yeti XL 32 pitch drivetrains and is supplied as a single unit. It gives users a hardened 19 tooth option to alter final gearing or correct mesh without swapping motors or the spur gear.
Fitment is simple for modelers familiar with standard motor removal and gearmesh setup: remove the motor, swap in the 19T pinion, then adjust mesh using shims or an adjustable mount. Turn the drivetrain by hand to ensure engagement is smooth and that a small consistent backlash is present to protect the teeth.
For tuning the 19T choice nudges top speed up slightly versus higher tooth counts while still keeping useful low-speed torque for rock racing lines. The steel construction prioritises wear resistance and maintains accurate tooth profiles under load; best used with good motor bearings and a compatible 32 pitch spur.
Supplied as 1pcs, this pinion is suited to hobbyists servicing or upgrading Axial Yeti and Yeti XL scale rock racers and matches standard 32 pitch spur combinations for those models.
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