Hankook Ventus V2 Concept Tire - 215/45R17 91V XL Unique "Twister Groove" design optimizes traction in wet conditions. For those that enjoy speed even on wet roads, Hankook's proprietary "Twister System" pattern design will help get you there safely. Design Features - The special tread compound is formulated for excellent grip in wet and dry conditions and is competitive with most summer tires, yet traction maintains mobility in typical winter conditions; twice the snow traction of most summer tires. Reinforced Rim Guard -- Sideall treatment includes stylized serrated band lettering and rim protection bar for an eye-catching appearance, and to help keep rims looking new. Maximum lateral stiffness for handling and reduced tendency for irregular wear. Modest kerf density across tread aids winter traction without sacrificing wet and dry handling.