Trans American 4.80-12 / 5.30-12 Inner Tube with TR-13 Straight Valve Stem 4.50/4.80/5.00/5.30-12 multi size inner tube with TR-13 straight valve stem For use in radial and bais tires. Also fits 4.50R12, 4.80R12, 5.00R12 and 5.30R12 tires.