Ohio - based company says valves are n't working properly , and cause accidents . Cycle International estimates that just 8,600 of 6 million are defective . Snap - in tire valve , Model TR413 , was made between September and November 2006 . It was imported by Tech International from manufacturer Shanghai Baolong Industries Co. in Shanghai , China , according to the National Highway Traffic Safety Administration . Continuing to work on underinflated tires could cause them to fail .
Ohio - based company says valves are n't working properly , and cause accidents . Cycle International estimates that just 8,600 of 6 million are defective . Snap - in tire valve , Model TR413 , was made between September and November 2006 . Continuing to work on underinflated tires could cause them to fail .