The Robinson Racing 40T Aluminum Pro Pinion Gear is a 48 pitch motor pinion machined from 7075 aluminum and hard anodized black. Aluminum keeps rotating weight down, which suits lightweight, low-friction setups where quick response matters. Pinion size changes your final drive ratio: a smaller pinion gives more torque and lower top speed, while a larger pinion raises top speed and puts more load on the motor, so check temperatures after any change.
Features
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Tooth count: 40T
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Pitch: 48P, for use with a 48 pitch spur gear
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Bore: 1/8" motor shaft
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Material: 7075 aluminum, hard anodized black for wear and corrosion resistance
Fits
Universal fit for RC vehicles that run a 48 pitch spur gear and a motor with a 1/8" shaft.
What's Included
1x 40T pinion gear and 1x set screw.
