Thank you for viewing. Type... Mini 4WD Tire type: Black low friction Tire diameter: Approximately 25.8mm Low friction small-diameter low-height tires have been cut and set to fit large-diameter barrels. Please be sure to secure them with double-sided tape or similar before running. Notes: * All parts are made using genuine Tamiya products. * These are processed products made by an amateur. Please refrain from purchasing if you are sensitive to scratches, wobbles, or deformations that may occur during processing. There may also be errors in the measurement method due to the force applied by the calipers, so please refrain from purchasing if you are particular about accuracy.