These black plastic wheels have silicone tires, measure 40 mm (1.57″) in diameter, and they press-fit onto the 3mm D shafts on many of our micro metal gearmotors.

This product is a pair of wheels.

These wheels are great for robotics, custom RC vehicles, or any other project you need to get rolling. They measure 40 mm (1.57″) in diameter and are designed to press-fit securely onto D output shafts with a diameter of 3 mm.

Useful Resources

• Dimensional diagram for Pololu wheels
• 3D model