Overview
The HPI Racing Steel 8T Pinion Gear is a genuine replacement steel pinion gear designed for the HPI Micro RS4 and Micro Drift 1/18 scale platforms. The lower tooth count delivers maximum acceleration, while the steel construction handles high-rpm electric motor use reliably.
This direct-fit replacement is ideal for builders who want quick acceleration over top speed.
Key Features
- Genuine HPI Racing Micro replacement
- Steel construction for long service life
- 8 tooth count — maximum torque bias
- Direct factory fit
- Precision-cut teeth
Performance Benefits
- Strong acceleration
- Long-lasting steel construction
- Reliable performance
Usage Notes
- Set proper gear mesh — slight backlash
- Pair with proper spur for desired ratio
Technical Specs
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Type: Steel Pinion Gear
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Tooth Count: 8T
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Material: Steel
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Manufacturer: HPI Racing
Fitment
- HPI Micro RS4 (1/18 Scale)
- HPI Micro Drift (1/18 Scale)
What's Included
- (1) HPI Racing Steel 8T Pinion Gear
Summary
An acceleration-biased steel pinion that holds up to high-rpm Micro RS4 / Drift use.
