The K505 is an OE Replacement Rear Tire. Dunlop is committed to providing O.E. replacement tires for sport, touring and cruiser motorcycles. Bikes that started with the best should always have the best. Dunlop O.E. partners include Arctic Cat, Aprilia, BMW, Buell, Ducati, Harley-Davidson, Honda, Kawasaki, Polaris, Suzuki, Victory, and Yamaha.