Bridgestone Battlax BT-021 Sport Touring Radial Rear Tire - 190/50ZR17 146464Sport touring radial design for touring oriented riders The luxury feel is provided by the combined advantages of both sport and touring tires 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