Overview
The HPI Racing 11T Pinion Gear (0.4M / 2mm) is a precision-cut replacement gear designed for reliable power transfer in micro-scale RC drivetrains. Manufactured to factory tolerances, this 11-tooth pinion delivers smooth meshing with compatible spur gears for consistent acceleration and quiet operation.
An essential drivetrain component for routine maintenance or pinion swaps when fine-tuning gear ratio, this genuine HPI part guarantees correct fitment and long service life.
Key Features
- Genuine HPI Racing replacement pinion
- 11 teeth, 0.4 module precision cut
- 2mm bore for direct motor shaft fitment
- Smooth, quiet engagement with matching spur gears
- Durable construction for long service life
Performance Benefits
- Efficient power transfer from motor to drivetrain
- Quiet meshing reduces drivetrain noise
- Consistent gear lash for predictable acceleration
- Allows easy gear-ratio tuning when paired with alternate spur gears
Usage Notes
- Set correct gear mesh during installation
- Ensure motor shaft is clean before fitting
- Secure with appropriate set screw and threadlocker
Technical Specs
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Tooth Count: 11T
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Module: 0.4M
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Bore: 2mm
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Manufacturer: HPI Racing
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Part Number: 160878
Fitment
- Designed for HPI micro-scale platforms using 0.4M gearing and 2mm motor shafts
- Common to HPI Venture18 and similar 1/18 scale electric models
- Confirm spur gear module compatibility before installation
What's Included
- (1) HPI Racing 11T 0.4M Pinion Gear with 2mm bore
Summary
A genuine HPI Racing replacement pinion that delivers smooth, reliable power transfer for micro-scale RC drivetrains and a precise factory fit every time.