Specialized S-Works Tarmac SL9 DA Di2 Bike - Carbon / White

The all-new S-Works Tarmac SL9 is the fastest road bike ever made.

Not just because it’s the lightest. Not just because it’s our most aero. Not because it handles better than anything else on the road. But because it delivers the lowest real-world Time to Finish of any road bike ever made. Tarmac SL9 turns more of your effort into pure speed—validated for real racecourses, real terrain, real riders. When the goal is to cross the line first, no road bike gets you there faster.

Time to Finish: The Only Metric that Matters

When the objective is winning races, the goal is brutally simple. Get riders to the finish line faster. For Tarmac SL9, that meant answering one question with absolute confidence: Does this bike reduce total race time on the fastest, hardest, steepest, longest World Tour courses on Earth?

To answer that, we built the most comprehensive road race simulation system ever created.

The Result? The Tarmac SL9 would have made Demi Vollering 14 seconds faster during that decisive last stage in the Tour de France Femmes in 2024. A 14-second gain on a Tour decided by 4 seconds. The difference between losing the overall… or winning it by 10 seconds.

Aero Where it Matters: 4 Watts Faster

The Tarmac SL9 is the most aerodynamic road race bike we’ve ever tested. Drawing directly from Tarmac SL8 learnings and decades of aero research, every tube on Tarmac SL9 was re-sculpted for speed at World Tour races. Nothing is Lighter: Flow State Design Delivers a 789 Gram Frame

Tarmac SL9 rewrites the aerodynamics of the entire front half of the bike with a thinner Speed Sniffer, a dropped downtube, and the new Flow Fork, which work together to manage high‑pressure airflow more efficiently. At the rear, the Win Fin reshapes the seat tube and triangle around real race conditions, delivering meaningful aerodynamic gains when it matters most. A re‑engineered Aero Post further reduces drag in the zone most affected by pedaling airflow, completing a system designed for maximum speed in real‑world racing.

Nothing is Lighter: Flow State Design Delivers 687 Gram Frame

At 687 grams, the S-Works Tarmac SL9 frame stands alone at the top of the road aero category. Complete builds start at 6.5 kg—a number most climbing-specific road bikes and the UCI can only dream of. Oh, and yes, that includes Roval Rapide CLX III wheels and Roval Rapide Cockpit. This was made possible by Flow State Design, first pioneered on the Aethos road bike.