It is a multi-fit tube that is made to be used in the following sizes: 24x12-12, 24x13-12, 26x12-12 and 26.5x14-12. This tube has a standard TR13 short rubber valve stem. Valve Type: TR13. Pair of (2) Two 18x6.50-8 18x7.50-8 Lawn Mower Tire Inner Tubes TR13 Heavy Duty.
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