C.V.S.T. - (ST518) exclusive design technology configures internal components for optimal resistance to the stresses and flexes of long term, real world use.
Patented Tread Compounds - resist chipping and cuts.
Computer Designed Grooves - help reduce stone drilling.
Special Steel Coating - reduces development of rust on the steel cables.
All Steel Casing - helps retreadability, and resists casing failures
Special Liner Compound - helps keep moisture from the casing.