Kids Tires Stylish Replacements Wear Resistant Thick Rubber Kids Tires Flexible Black On 16 * 1.75Specification:Item Type: Children Bike TiresMaterial: RubberProduct Color: BlackHow to Use:How to know the tire model?For example: the size marked on the side of the outer tire is 16x1.75, 16 refers to the tire diameter of 16 inches, 1.75 refers to the..