The Ducati Streetfighter motorcycle is a street-legal naked bike that was introduced in 2009. It is based on the 1098 Superbike, but features an updated chassis and a redesigned fairing. It is powered by a L-twin cylinder, Desmodromic distribution, liquid-cooled engine. It has a trellis frame with aluminum-alloy castings and weighs 184 kg (406 lb). The Streetfighter is available with a variety of factory extras, including race-inspired parts and accessories.