Dunlop D404 140/90-15 Rear Tire. The Dunlop D404 Tires have an expanded size range that fits many modern cruisers and delivers a smooth ride for maximum comfort.Tread compound delivers excellent balance of mileage and grip. Tread patterns designed to deliver outstanding water evacuation and wet grip. Bias-ply construction designed to deliver excellent load-carrying capacity. Offset center groove delivers excellent straight-line stability. Value priced for a wide range of motorcycles. Note: The D404 is not meant to be used on Harley-Davidson motorcycles due to the tires' lower load capacity ratings. Please see the Dunlop Harley-Davidson D402/401 series tires for increased load capacity.