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guest_
· 4 years ago
· FIRST
It’s a neat idea that makes it simple for people without experience or who otherwise can’t properly measure a tire. Something to keep in mind though that such a simple system might falsely impress upon people: As a tire loses tread depth it loses ability to cope with various terrain conditions like snow, mud, and water. The tire also loses resistance to punctures or heat damage. A tire may no longer be well suited for such conditions long before it is at or near its lowest wear. In other words- even if the tire said “20%” or even “50%,” depending on the conditions you drive in, your driving style, vehicle, and other particulars as well as the tires overall construction and design- it might be time to replace it for safety.
guest_
· 4 years ago
Another thing to keep in mind is that road conditions, vehicle alignment, suspension, drive train, or other component health or configuration can cause uneven wear. So the patch marked with the percentage might still have plenty of life left, but an inside or outside portion of the tire might be worn down to 0% or even less of safe usable life.
guest_
· 4 years ago
Tire measurements should generally not be taken from one point on a tire except for special exceptions. By design or through improper maintenance (including over or under inflation of tires, worn suspension, or poorly/aggressively adjusted alignment) tires can, and tend to, wear unevenly across the width of the tread.
