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Title: I think one of mine was defective, failed near the valve
Review: Have about 9 months use, no regular flats. Inflated to about 55lbs. But I found the tire flat next day after just riding around with the grandkids in the driveway. I think it had a defect in the tube, a pin head size flap let go right by the valve stem inner side ( not from spoke or pinch flat ). Spewed lots of green stuff around.
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