Thank you for viewing. Type...Mini 4WD Tire type: Super Hard Black Tire diameter: Approximately 25.8mm Super Hard small-diameter low-profile tires have been cut and set to fit large-diameter barrel tires. Please be sure to secure them with double-sided tape or similar before running. Notes ・All parts are made using genuine Tamiya products. ・This is a handmade item. Please refrain from purchasing if you are sensitive to scratches, wobbles, or deformations that may occur during processing. There may also be errors in measurement due to the force applied by the calipers, so please refrain from purchasing if you are particular about accuracy. We also sell various other Mini 4WD parts. Please take a look.