Imagine a construction worker. He was using a ladder every day at a building site. One day, he noticed that the treads on the ladder steps were starting to crack. He reported it immediately and later found out that there was a defect in the manufacturing process. This is a 'tread true story' where the treads on the ladder were the key factor in a real - life situation.
Sure. There was a cyclist who always took a particular route. One day, she noticed that the tread on her bike tires was getting flat in an odd way. After some research, she found out that there was a small but sharp rock on her regular path that was slowly damaging the tread. This is a real - life 'tread true story' as it involves a discovery related to the tread of her bike tires.
A possible 'tread true story' could be about a runner. He noticed that his running shoes' tread was wearing out unevenly. As he investigated, he realized that his running form had been off due to an injury he didn't fully recover from. This is a true story about his discovery through the tread of his shoes.