Parts/Drivetrain/Pinion gears/Hobbywing Motor Shaft Adaptor (3mm to 5mm)
Hobbywing Motor Shaft Adaptor (3mm to 5mm)
Hobbywing

Hobbywing Motor Shaft Adaptor (3mm to 5mm)

Part # HWA86060140
Where to buy
$5.00
AMain Hobbies
Seen Oct 12, 2026
$5.00Buy
Prices are as last seen at the store; stock is not tracked.

About this part

Shaft Adapter Overview:

The Hobbywing Motor Shaft Adaptor is a simple and effective solution designed to increase the shaft diameter of compatible brushless motors.

About the Shaft Adapter


Expanded Pinion Compatibility

The Hobbywing Shaft Adaptor sleeve allows the EZRUN 3656 4P SCT motor to accept pinion gears designed for 5mm motor shafts. By increasing the shaft diameter from 3mm to 5mm, this adapter greatly expands gearing options for users looking to fine-tune performance. The sleeve installs easily over the existing shaft and provides a stable mounting surface for pinion gears. This small but practical upgrade helps improve flexibility when setting up your RC vehicle’s drivetrain.

Features:

  • Designed for EZRUN 3656 4P SCT motor
  • Converts 3mm motor shaft to 5mm diameter
  • Shaft sleeve adapter design
  • Expands pinion gear compatibility
  • Precision fit for secure installation
  • Compact and lightweight construction

Includes:

  • (1) Motor Shaft Adaptor (3mm to 5mm)
CA Residents Prop 65 Warning WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...

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