Welcome to our store! Each wheel undergoes 3 inspection processes from material to finished product to ensure a 99.9% pass rate. The exterior features a unique artificial wheel design with a striking yellow and black color scheme for a more three-dimensional appearance. The rubber-coated wheel provides smooth movement and superior grip. Enables your four-wheel drive smart car to perform left and right translation, wide-angle drifting, 45° incline movement, square track movement, and other versatile movement modes. The omnidirectional Mecanum wheel is compatible with building blocks and TT motors. Item Type: Mecanum Wheel Material: ABS, rubber Purpose: DIY smart car accessories Diameter: Approx. 60 mm / 2.4 in Coupling Type: For TT coupling Includes: 2 x Left Wheels, 2 x Right Wheels Your 100% satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues upon receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!