I had to buy a second set after one deflated last spring. The problem is that it is VERY difficult to put the bands behind the tire to hold it in place. You can also use them without, but how are you blown away. Getting on your knees and wrapping your arms around the trailer and bike isn't my idea of entertainment. If the ground/tires are wet and muddy, it will only make matters worse. There must be a better way.
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