New premium made to the high standards of the Justubes.com brand. Korean made (not cheap chinese made as others sell) universal radial tire inner tube. These tubes have the common TR13 straight stem that is made on the tube offset to one side. Can be used in any of the following sizes 145R12, 155R12, 155/80R12, 6-12 lawn garden tractor, 145/80R13, 155/80R13, 165/70R13, 185/60R13, 195/60R13, 165R13, and 175/60R13 . Fast Free Shipping