The Pirelli H89 EVO steer/all-position tire from Prometeon employs a five-rib tread design with optimized siping to improve traction and decoupling groove designed to resist irregular wear. The widened casing allows for more stable contact with the road while evenly distributing loads. The H89 EVO was also engineered to provide more ride comfort for the driver and last longer overall, with a casing design that supports up to three retread cycles. Available in sizes 295/75R22.5 and 11R22.5, with the latter SmartWay certified. The Enhanced Casing Warranty provides coverage for up to 7 years.