Air Loc Brand 13.6/14.9-24 13.6/14.9R24 Farm Tractor/Implement Inner Tube with TR218A Valve Stem 13.6-24 14.9-24 Farm Tractor/Implement Inner Tube with TR218A Valve Stem 13.6R24 14.9R24 May be used in both Bias and Radial Applications