We will build your dream bike according to your wishes! Contact us for your personalized custom bike and let our experts assist you. The S-Works Tarmac SL8 frame set is unbeatable in speed. Its advanced aerodynamics and lightweight construction result in a riding experience that once seemed unattainable. After eight generations and over twenty years of development, it is not just the fastest Tarmac ever—it is the fastest road bike in the world. Are you ready? Aerodynamics and light weight alone do not win races—what matters at the finish line is speed. Achieving race speed requires a specific balance of aerodynamics, lightness, stiffness, and compliance. Our Ride Science Team has conducted racing simulations using real data and has determined that the Tarmac SL8 is the fastest road bike ever built on key courses. It is 16.6 seconds faster over 40 km, 128 seconds quicker at Milano-Sanremo, and 20 seconds ahead on the Tourmalet. AERO-AVANTGARDE: For us, aerodynamics focus on the surfaces that truly matter, not just those that look best. With this philosophy, we have created our most aerodynamic road bike to date. And yes, it is more aerodynamic than the Venge. The newly designed head tube of the Tarmac SL8 maintains airflow better, as the surface at the front tapers more sharply. We call it the Speed Sniffer, and this streamlined head tube cross-section creates significantly less air resistance. Additionally, in accordance with the new UCI regulations, we have developed the narrowest and most aerodynamic Specialized seatpost ever for the Tarmac SL8. This allows the swiftly moving turbulent air around the legs to flow away more cleanly. A bike that has a sense for victory. MINIMAL WEIGHT, MAXIMUM AERO: The Tarmac SL8 leverages insights from the development of the Aethos and easily meets the UCI weight limit with a full aero setup. Our team has designed an incredible frame weighing just 685 grams—15% lighter than the Tarmac SL7 and lighter than all other bikes on the World Tour. While Kasper Asgreen rode our Aethos with a frame weight of just 585 grams on a Tour stage, that doesn’t quite count. The new technical possibilities allowed us to optimize the weight of the down tube, seat tube, and rear end of the Tarmac, as the new frame shape distributes load so efficiently that additional carbon layers for increased stiffness are no longer necessary.