For a complete road bike (without pedals or accessories), weights typically range from about 6 kg on the ultra-light end up to 10.5 kg for heavier builds. Most mid-to-high-end carbon road bikes fall between 7.0–7.8 kg, while aluminum and entry-level carbon bikes usually sit in the 7.8–8.5 kg range. Anything over 8.5 kg typically indicates budget components or a burlier all-road setup with disc brakes and wider tires.
Weight matters most when you're climbing — lighter bikes accelerate faster and make steep gradients feel easier. But on flat terrain, aerodynamics actually plays a bigger role than weight. A slightly heavier aero bike will often be faster on rolling or flat courses than a lighter climbing bike with less aerodynamic shaping.
Match weight to your riding. If you live in the mountains or ride hilly gran fondos, aiming for under 7.5 kg makes sense. For flatter rides or mixed terrain, don't sacrifice aero features and comfort just to shave off a few hundred grams.