When absolute performance is a must, the best riders in the world choose the S-Works Tarmac. With its Rider-First Engineered™ design, every frame is engineered to provide the same complete performance across the entire frame size run. This means instantaneous accelerations when climbing and the legendary descent-shredding prowess that you'd expect from a Tarmac. With the S-Works Tarmac Frameset, you can start building up your dreambike exactly how you've always wanted it.