The D401 has been a favorite among Harley riders for many years. It comes in a variety of sizes to fit Harley cruisers. The D401 is the approved Harley-Davidson® cruiser tire. Co-Branded: Dunlop is the original brand of tire certified to say Harley-Davidson® right on the sidewall. Made in U.S.A. Only Dunlop makes motorcycle tires here for the way you ride here. O.E. Meets the rigid demands of the bike manufacturer. V-Twin: Meant for American-made iron. An advanced tread pattern and specifically formulated compound helps deliver impressive grip in wet and dry conditions and helps provide long tire life. D401 tires use bias or bias-belted construction and incorporate a computer-optimized tread profile to help promote even wear. Tubeless. Tire Specifications: Load / speed index: 52H.