Tyre tread

The utility model relates to a tire technical field, specific theory relates to a tyre tread, tyre tread is last to be provided with two at least fine grooves that have anti -skidding function, the width on fine groove top is greater than the fine groove is the width of part down, is divided into first kind fine groove and second class fine groove with all fine grooves according to the degree of depth, first kind fine groove has the same degree of depth, second class fine groove has the same degree of depth, the degree of depth of first kind fine groove is greater than the degree of depth of second class fine groove. The utility model discloses a tyre tread, when winter, intensive and roomy fine groove can combine the winter rubber compounding to provide remarkable snowfield performance for the tire, go over winter, and the shallow trench groove is ground off, and remaining shallow trench groove is more sparse and narrow, suitable performance futilely. The tire can be followed winter to summer and is used alw