ALGT Trailer Tire Inner Tube 14.5" inch with TR300 Valve Stem fits 7-14.5 8-14.5 9-14.5 Radial Bias Trailer Low Boy Tire Inner Tube Radial or Bias Applications Fits Sizes: 7-14.5 8-14.5 9-14.5 Trailer Service and Low Boy LPT Low Platform Trailer