What is the collective wisdom when to replace a spare tire? Covered with Sun cover and obviously no weight on it. I suppose just being exposed to the air causes tire to break down. When does spar...
The set before this set, I bought 5 and kept it rotated in with the rest. Last time this past summer, I only bought 4 and kept the best out of the prior set. I always keep it covered. It should age out about the same as the rest of the tires. I want to know it will be there for me when I need it.