Bridgestone Battlax BT-021 Rear Tire - 180/55ZR-17 BB/-- New sport touring radial design for touring-oriented riders, from Bridgestone The "luxury feel" is provided by the combined advantages of both sport and touring tires New front and rear pattern designed to provide good shock absorption with less vibration and noise to minimize fatigue on long rides Rear tire features a dual-tread compound with a Cap Base construction, which provides mileage from the center compound and grip from the shoulder compound, while enhancing tread stiffness for better grip, shock absorption and all-weather performance Blackwall tubeless design