Air-Loc Brand Tire Inner Tube for MR14/15 Radial Passenger / Truck Tire with TR13 valve stem - 14 inch and 15 inch Combination Size Designed for Radial Passenger / Truck Tire Bias Radial Fits 14" 235X75R14 245/70R14 265/60R14 275/60R14 235/70R14 Fits 15" 235/75R15 245/70R15 265/60R15 225/75R15 255/70R15 275/60R15 Tube has Standard TR13 valve stem: Straight rubber valve, the most common stem style, measuring approx. 1.38" long and used in the standard size wheel hole of approx. 1/2" 235/70R15 255/65R15 255/60R15