Experience reliable performance with these compact DC motors, perfect for RC toys, DIY projects, and small electronic applications. Each motor measures approximately 0.83 inches (21mm) in diameter and features precious metal brushes for enhanced durability. Operating at an impressive 20,000 RPM under 3V power supply, these versatile motors can also handle 5V and 6V inputs for varied speed requirements. The R140 series motors deliver consistent torque and smooth operation, making them ideal for remote-controlled cars and other miniature mechanical applications. The package includes 3 identical motors, providing excellent value for hobbyists and makers. Their robust construction and reliable performance make them a practical choice for both replacement parts and new projects. The motors' compact size allows for easy installation in tight spaces while maintaining powerful output capabilities.