Martin Wheel T1012K Lawn & Garden / Industrial Inner Tube, 23X1050-12/25X1200-12 TR13 This quality butyl rubber inner tube fits tire sizes 23/1050-12 and 25/1200-12 Use: Lawn and garden, utility, ATV Fits tire size: (23/1050-12), (25/1200-12) Valve stem type: Straight (TR-13)