This steel pinion is intended as a replacement and tuning item for electric touring chassis in the Inferno MP Series MP11e range. It matches 18 teeth at 0.8M pitch as stated by the PNGS0818 designation and uses steel to give increased wear resistance for motor drive duties.
Changing the pinion alters the final drive ratio and is a common way to trade acceleration for top speed; ensure the chosen tooth count is compatible with the spur gear and that mesh clearance is correctly set to avoid premature damage. Verify shaft diameter and secure mounting before running.
Fitting recommendations: remove the motor for clear access, confirm correct shaft fit and set screw engagement, inspect for runout or binding when rotating the gear, and perform a cautious bench test before full track use.
The PNGS0818 steel pinion is a practical replacement for MP11e motor drives and a useful tool for fine-tuning gearing on electric touring RC vehicles.
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