This is 65mm Robot Wheel for BO Motor (Yellow). The wheel is made up of high-quality rubber which gives maximum traction while operating. The wheel is strong and sturdy as it features a nylon reinforced plastic rim. We offer a range of robotic wheels, our catalog includes Omni, Mecanum, Heavy Duty Disc Wheels etc., to explore them click below, Wheels and Accessories Features: Car hub is reinforced nylon, very sturdy. Tire with sponge liner for more strength With upgraded tire tread for greater friction New design wheel for better combination with the motor