The RC Car Wheel with a 68mm diameter is designed to be used with Arduino robots. This wheel has been engineered to provide smooth and precise movement with its 68mm diameter size. Its lightweight construction allows for easy maneuverability, while its durability guarantees long-lasting performance. Whether you're using it for racing or navigating obstacles, this wheel is a reliable and efficient addition to your Arduino robot.

This wheel is perfect for RC projects since this wheel has a shaft holder already fits many of the popular motors, such as the 28BYJ series.

These are the same wheels sold with a DC motor here:

https://leobot.net/viewproduct.aspx?id=2706