: No bulges, bubbles, deep cuts, or exposed metal/fabric cords.
: Minimum 4/32" for safety; 2/32" is legally bald in most states. Age : Check the DOT code ; avoid tires older than 6 years . buy used tires locally
: For $5 at an auto parts store like AutoZone, you can get an exact measurement in 32nds of an inch. : No bulges, bubbles, deep cuts, or exposed