7cm × 4cm Robot Wheel 

is a DIY wheel designed for use with DC gear motors in robotics and automation projects. With a diameter of 7 cm and width of 4 cm, it provides stable movement, smooth rotation, and reliable traction, making it ideal for small mobile robots, experimental setups, and compact robotic platforms.

7cm × 4cm Robot Wheel is commonly used in robot cars, line-following robots, obstacle-avoiding robots, DIY robotics kits, and educational STEM projects. It is suitable for hobbyists, students, and developers who want a lightweight and durable solution for building and testing mobile robots.

7cm × 4cm Robot Wheel is compatible with standard DC gear motors and can be easily mounted using motor shaft couplers. Its strong grip ensures better traction on flat surfaces, while the lightweight construction contributes to efficient movement and minimal load on motors.

7cm × 4cm Robot Wheel improves balance, motion control, and overall maneuverability in robotic systems. Its compact size, durability, and reliable performance make it perfect for educational experiments, prototype development, and practical robotics applications where stability and smooth operation are essential.