12:12. Check of a protector of tires

Intensive wear of tires is promoted by a sports manner of driving, intensive accelerations and sharp braking.

Tires can be operated up to the depth of protector of 1,6 mm (depth of flutes of a protector on all surface of the tire has to be not less than 1,6 mm). However for safety it is recommended to replace tires with a depth of protector of 3 mm.

Sheena M+S (winter) have sufficient coupling with a snow road surfacing with a depth of protector not less than 4 mm.
It is necessary to survey the tire on existence of cuts and to establish their depth. If cuts reach a cord, the steel cord will korrodirovat from the getting moisture.