This wheel is a great accessory for your smart car or robot projects. It is made of high-quality plastic and silicone materials that are strong and flexible. It has a diameter of 66mm, a width of 28mm, and a weight of 38g. It has a yellow and black color that gives it a stylish and attractive look. It has a center hole that fits most gear motors with a shaft diameter of 3.66mm or 5.3mm. It can provide good traction and stability for your smart car or robot on various surfaces. It is easy to install and use, just attach it to the motor shaft with screws or glue.
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