Not scooter, sportbike, dirt bike, modern motorcycles, racing bikes, electric motorcycles, futuristic vehicles, concept art, sci-fi designs, plastic fairings, aerodynamic bodywork, sleek futuristic designs, small wheels, short front fork, enclosed frame, multi-colored neon lights, extreme sports aesthetics, urban graffiti, non-chrome finishes, minimalistic designs, fairing-covered engines, streetwear clothing, modern architecture, people interacting with bikes, non-mechanical decorations, unrelated vehicles, background distractions like busy streets, crowds, animals, bicycles, visible brand logos, cartoon style, anime style, blurred focus, low-resolution details, incorrect proportions, overly compact design, unrealistic physics, fantasy elements, vibrant outlandish colors, exaggerated flames or unrealistic decals, non-chrome or matte black components without highlights.
