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Keep your massive 1/5 scale 8S drivetrain transferring power flawlessly with this genuine Traxxas 20-Tooth Transmission Input Gear Set (Part #7785X). As a critical high-wear component deep within your transmission gearbox, the input gear is subjected to immense torque loads during hard acceleration, giant jumps, and aggressive braking.
This factory OEM replacement gear is precision-machined from high-strength metal to resist chipping and wear, keeping your gear mesh tight and ensuring smooth power delivery from the motor to your center drive assembly.
Key Features & Performance Advantages
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Heavy-Duty Steel Construction: Machined from premium-grade hardened steel to easily withstand the brutal, neck-snapping torque of brushless 8S power systems.
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Precise 20-Tooth Profile: Engineered with standard gear tooth geometry for a perfect, friction-free mesh with your mating output gears (such as the #7784X metal 51-tooth output gear).
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Included Hardware: Comes complete with a fresh 2.5x12 mm dowel pin to make installing this gear onto your input shaft straightforward.
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Restores Drivetrain Efficiency: Swapping out a worn input gear stops gear slipping, eliminates transmission whining, and protects the rest of your internal gears from chain-reaction damage.
What's Included in the Pack?
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(1) 20-Tooth Metal Transmission Input Gear
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(1) 2.5x12 mm Dowel Pin
Vehicle Compatibility
This steel transmission input gear is a direct replacement part designed specifically for:
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Traxxas X-Maxx 8S (Brushless 4WD Monster Truck)
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Traxxas X-Maxx Ultimate (Limited Edition 8S)
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Traxxas XRT 8S (Brushless 4WD Truggy)
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Traxxas XRT Ultimate (Limited Edition 8S)
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Traxxas X-Maxx 6S (Original Brushless Monster Truck)
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