ST709 is a regional steer tire providing durability and versatility on highway display and serious work. Its thick curbing ribs protect the casing from sidewall damage. The enhanced traction and safety on wet roads is provided by its chevron block center ribs. The robust 20/32” tread depth applied to a wide, flat casing for much longer life in high scuff applications. Casing is also protected by its stone ejectors while controlling irregular wear with the help of its innovative design device.