AIR LOC GT Inner Tube with Threaded Metal Valve - 9 Inch Combination Size Fits 25X11-9 25x12-9, 25x12.00-9,25X13-9, 25x13.50-9 Designed for outdoor power equipment Go Karts, ATV's JD GATOR'S Etc. Fits Sizes:25X11-9 25x12-9, 25x12.00-9, 25X13-9 25x13.50-9 Tube has threaded metal valve