Bridgestone Battlax Hypersport S21 Rear Tire (200/55ZR17) Latest technology Hypersport Radials designed and developed to get the best out of the latest Hypersport machines. Application: Ultra high performance sport. Features: Dry grip and wear life significantly improved without sacrificing wet performance. 3D cross grooves designed to optimize rigidity and improve contact with the road. Triple compound tear tire (5LC) with revised profile provides improved stability and durability.