HOSpeed 8mm x 12mm x 3.5mm RC Ball Bearings - HS18301-41

The HOSpeed HS18301-41 ball bearings are 8mm x 12mm x 3.5mm precision bearings designed as direct-fit spares for the HOSpeed 18301 series RC car. Sold in a pack of two, these RC ball bearings are the correct size for restoring smooth drivetrain rotation wherever worn or damaged bearings are causing friction or play in your model.

Key Features

• Dimensions of 8mm inner diameter, 12mm outer diameter, and 3.5mm width — verify fitment against your specific HOSpeed 18301 build before ordering.
• Sold as a pair, making it practical to replace bearings in matched positions such as both sides of an axle at the same time.
• Direct replacement for the HOSpeed 18301 series, referenced by part number HS18301-41 for straightforward identification when ordering spares.
• Swapping worn RC bearings restores clean, low-friction rotation and helps maintain consistent performance across the drivetrain.

What's Included

• 2 x HOSpeed 8mm x 12mm x 3.5mm ball bearings (HS18301-41)

What You Need

• HOSpeed 18301 series RC car or compatible model requiring 8mm x 12mm x 3.5mm bearings
• Basic RC hand tools for bearing removal and installation