Specialized TARMAC SL8 S-Works DI2 SILDST/DOVGRY/BLKPRL 2025

Specialized TARMAC SL8 S-Works DI2 SILDST/DOVGRY/BLKPRL 2025

The S-Works Tarmac SL8 is unbeatably fast. Advanced aerodynamics and low weight combine to deliver a ride quality that seemed unattainable. After eight generations and more than 20 years of development, it's not just the fastest Tarmac ever—it's the fastest road bike in the world. Ready?

Aerodynamics and light weight alone don't win races – at the finish line, it's speed that counts. Achieving race speed requires a very specific balance of aerodynamics, lightness, stiffness, and compliance. Our Ride Science team, through race simulations based on real-world data, determined that the Tarmac SL8 is the fastest road bike ever built on the crucial stages. It was a full 16.6 seconds faster over 40 km, 128 seconds faster at Milano-Sanremo, and 20 seconds faster on the Tourmalet.

• Aero avant-garde: For us, aero is about the surfaces that really matter, not the ones that look best. With this philosophy, we've created our most aerodynamic road bike ever. And yes, it is more aerodynamic than the Venge. The Tarmac SL8's redesigned head tube better maintains airflow thanks to a more tapered surface at the front. We call it the Speed ​​Sniffer, and with it, the more streamlined cross-section of the head tube creates much less drag. Furthermore, in compliance with the new UCI rules, we developed the narrowest and most aerodynamic Specialized seatpost ever for the Tarmac SL8. This allows the fast-moving, turbulent air around the legs to flow away more cleanly. A bike with a nose for victory.
• MINIMUM WEIGHT, MAXIMUM AERO: The Tarmac SL8 leverages the insights gained from the development of the Aethos to easily meet the UCI weight limit, even with a fully aero setup. Our team developed an incredible 685-gram frame—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 just 585 grams, on a Tour stage somehow doesn't count. These new technical possibilities enabled us to optimize the weight of the Tarmac's down tube, seat tube, and rear end. The new frame shape distributes the load so efficiently that additional carbon layers for increased stiffness are no longer necessary.
• BLAZING ACCELERATION WITH MORE COMFORT: Thanks to a massive improvement in stiffness-to-weight ratio—an astonishing 33% over the SL7—the Tarmac SL8 takes its legendary handling, aggressive throttle response, and World Tour-proven geometry to a new level. Stiffer at the bottom bracket, more precise at the bars, and more compliant in the saddle, the bike sets new standards for competition bike performance and comfort. Our Rider-First Engineering™ concept ensures that every rider, regardless of size, enjoys the same ride quality and handling. In the saddle, the Tarmac SL8 offers 6% more compliance, gliding smoothly over rough roads—unique in the high-energy world of road cycling. And when conditions demand it, the 32mm tire clearance allows for the use of higher-volume tires.
• GENDER NEUTRAL: Our experience in product development tells us that there can be more differences between two riders of the same gender than between two riders of opposite genders. Gender alone does not create a basis for gender-specific geometries. Frames specifically for men or women are therefore unfounded and outdated. With a Tarmac SL8 for everyone, every rider can gain the decisive advantage.
• The S-Works Tarmac SL8 is equipped with only premium components. A Shimano Dura-Ace 9200 Di2 groupset with power meter and a tubeless-ready Roval Rapide CLX II wheelset perfectly complement the fastest frame on the market. All S-Works Tarmac SL8 models are equipped with a Roval Rapide cockpit to reduce weight and improve aerodynamics.
• 'Apple Find My' technology is now integrated into all SW & Pro 4iiii power meters. Riders can now enjoy the peace of mind that comes with knowing the exact location of their bikes.