SPECIALIZED TARMAC SL8 PRO SHIMANO ULTEGRA DI2 2025

After eight generations and more than twenty years of evolution, Tarmac not only surpasses its predecessors, but establishes a new standard in high-performance cycling. Its design is not limited to being aerodynamic or lightweight separately: it seeks the maximum real speed on asphalt.

Because in competition cycling it is not enough to have a light bike or to cut the wind. What really makes the difference is the perfect balance between aerodynamic efficiency, weight content, stiffness where it is needed and comfort to hold up to the last kilometer. Thanks to real data analysis and racing simulations, the Ride Science team from Specialized has shown that the Tarmac SL8 is superior in all key terrains: it is 16.6 seconds faster on a 40 km journey, earns 128 seconds in Milan-San Remo and climbs the Tourmalet 20 seconds faster.

The new era of speed has begun.

The Tarmac SL8 Pro Ultegra Di2 2025 is not just another fast bike: it is the most aerodynamic, light and refined road bike ever created by Specialized. Taking the best of iconic models like the Aethos and the Venge, this model redefines what a racing bike can be.

With a smart and real performance-centered design, each aerodynamic element is designed to offer advantage where it really matters. The new “Speed Sniffer”—a more sharp and forwarded leadership pipe—cuts the air like never before, reducing resistance significantly. In addition, its new ultra-thin sillin tile allows the airflow to slide cleaner between the cyclist's legs.

Weight or aerodynamic? Why choose one? Thanks to the Aethos apprenticeships, the picture of this Tarmac SL8 weighs only 685 grams, being 15% lighter than the SL7 and lighter than any other World Tour picture. This is achieved without sacrificing stiffness, thanks to a structure that supports loads with efficiency without the need for excess carbon.

In performance, the SL8 goes further. With an improvement of 33% in the stiffness-weight ratio compared to the previous generation, it offers an agile response, an explosive pedaling and surprising comfort. Whether in an epic climb, in a technical descent or on irregular asphalt, you will feel a fast and stable bike at the same time. And thanks to the Rider-First Engineering technology, each size is optimized to provide a uniform experience regardless of your height.

High-level mounting: Shimano Ultegra electronic group Di2 R8100 with integrated potentiometer, Roval Rapide CL II wheels ready for tubeless, and aerodynamic cockpit with handlebar and Roval Rapide/SL7 power.

And the best: without distinction of gender. Specialized designs for cyclists, not for labels. The Tarmac SL8 Pro is for those looking for the most advanced performance on asphalt, no matter who you are.