This product includes two standard rubber treaded tires designed for use with an inner tube. They feature a knobbly tread pattern providing excellent grip across off-road surfaces. These tires have a size of 4.10 / 3.50-4, which can also be referred to as 410x4 or 350x4. The tyre outer diameter is 250 mm / 9.84 inches. Please note that these tires are not road legal.