Mecanum Wheel Omnidirectional Wheel 65mm High Hardness Plastic Wheel for Robot Car ComponentsMecanum Tires The Mecanum wheel has a compact structure and flexible movement. Using 4 wheels to assemble the car can make the car more flexible and convenient to achieve a full range of lateral movement. Parameters Diameter: 65mm Width: 31mm Hub material: wear resistant high fiber nylon plastic Tire: nylon fiber, racing grade material Weight: 59g Recommended suitable cars: high end smart cars, wheat wheel cars Specifications Item Specification