We will build your dream bike according to your wishes! Contact us for your personal custom bike and let our experts advise you. The S-Works Tarmac SL8 frame set is unbeatable in speed. Its advanced aerodynamics and lightweight construction result in a riding quality that once seemed unattainable. After eight generations and over twenty years of development, it is not just the fastest Tarmac ever made, but the fastest racing bike in the world. Are you ready? Aerodynamics and low weight alone do not determine race outcomes—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 discovered through race simulations using real data that the Tarmac SL8 is the fastest racing bike ever built on key routes. It is 16.6 seconds faster over 40 km, 128 seconds faster at Milano–Sanremo, and 20 seconds faster on the Tourmalet. AERO-AVANTGARDE: For us, aerodynamics are about the surfaces that truly matter, not just the ones that look good. With this philosophy, we have created our most aerodynamic racing bike ever. And yes, it is more aerodynamic than the Venge. The newly designed head tube of the Tarmac SL8 maintains airflow better because the front surface tapers more sharply. We call it the Speed Sniffer, and it produces significantly less air resistance thanks to the streamlined cross-section of the head tube. Furthermore, in accordance with the new UCI regulations for the Tarmac SL8, we have developed the narrowest and most aerodynamic Specialized seat post ever. This allows the fast-moving turbulent air to flow cleanly around the legs. A bike with a winning instinct. MINIMAL WEIGHT, MAXIMAL AERO: The Tarmac SL8 utilizes insights from the development of the Aethos, easily achieving the UCI weight limit while featuring a complete aero setup. Our team has created an incredible frame weighing just 685 grams—15% lighter than the Tarmac SL7 and lighter than any other bike on the World Tour. The fact that Kasper Asgreen rode our Aethos, whose frame weighs only 585 grams, doesn't quite count. The new technical possibilities enabled 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 added stiffness are no longer necessary.