HPI Racing 11T Pinion Gear (0.4M / 2mm Bore)

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

• Tooth Count: 11T
• Module: 0.4M
• Bore: 2mm
• Manufacturer: HPI Racing
• 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.