It is an indicator of tire tread wear.
The three important tire checks to make are proper inflation(pressure), adequate tread(tread depth), and normal wear(wear and tear).
If you mean tire tread depth, the minimum is 1.6mm.
Minimum LEGAL tire tread depth is 2/32nds of an inch.
Tire spec in PA is 2/32 of an inch of minimum tread
1 mm on whole tire. If any part of tread is less then it should be replaced.
The tread is what grips the road.
Tire spec in PA is 2/32 of an inch of minimum tread
The outside of a tire consists of the tread and sidewalls.
Track is the dimension from the centerline of the tire tread on one tire to the centerline of the tire tread on the opposite tire on the same end of the vehicle, front track or rear track.
Track is the dimension from the centerline of the tire tread on one tire to the centerline of the tire tread on the opposite tire on the same end of the vehicle, front track or rear track.
it is a tread