The product is a genuine Ducati 999 749 Marchesini rear wheel rim in silver, with a diameter of 17 inches and a width of 5.5 inches. Made of aluminum and featuring a multi-spoke design, this one-piece cast rim is a high-quality replacement part for Ducati motorcycles. Manufactured in Italy, this wheel rim is designed to provide durability and style for your bike, making it a perfect choice for those looking to upgrade or repair their rear wheel.