HPI Racing 75 Tooth Spur Gear – Higher Torque Replacement for RS4 Sport 3

Overview

The HPI Racing 75 Tooth Spur Gear is a genuine OEM replacement and gearing option for the HPI RS4 Sport 3 1/10 scale touring car. The higher tooth count (75T) provides more torque-oriented gearing, making it a great choice for off-road touring or higher-power motor setups.

Precision-molded plastic construction ensures smooth meshing and reliable power transfer.

Key Features

• Genuine HPI Racing OEM replacement
• 75-tooth count for torque-focused gearing
• Precision-molded for smooth meshing
• Direct fit for RS4 Sport 3
• Durable plastic construction

Performance Benefits

• Better acceleration with reduced top speed
• Reduced motor stress
• Suitable for high-power motors
• Smooth gear engagement

Usage Notes

• Pair with appropriate pinion gear for desired ratio
• Check pinion mesh after installation
• Good choice for brushless conversions
• Inspect for wear during gearbox service

Technical Specs

• Manufacturer: HPI Racing
• Part Number: 113705
• Tooth Count: 75T
• Material: Durable plastic

Fitment

• HPI RS4 Sport 3
• HPI RS4 Sport 3 Hoonicorn
• HPI RS4 Sport 3 BMW M3 E30
• RS4 Sport 3 variants

What's Included

• 1x 75T Spur Gear (RS4 Sport 3)

Summary

Boost torque on your RS4 Sport 3 with this OEM HPI Racing 75T spur gear. Smooth, durable, and built for serious driving.