Specialized S-Works Tarmac SL9 - Shimano Dura-Ace Di2 Size:54 Centered around the wireless RD-M6250-SGS

Centered around the wireless RD-M6250-SGS rear derailleur

Lightweight construction keeps overall drivetrain weight low

while the extended cuff design creates a thermal barrier that locks in warmth and keeps cold air out

Extreme Cold Protection: UF Air Insulation Plus traps heat and moves moisture to keep hands warm and dry in frigid temperatures

The Schwalbe G-One Ultrabite Tire is built for riders who want maximum off-road capability without compromise

Specialized S-Works Tarmac SL9 - Shimano Dura-Ace Di2 Size:54 Centered around the wireless RD-M6250-SGSThe Specialized S Works Tarmac SL9 redefines what it means to build the fastest road bike. Rather than chasing isolated metrics like lowest drag or lightest weight, Specialized engineered this machine around a single outcome: Time to Finish, the actual elapsed time to complete a real world race course. Through what the brand calls the Equation of Speed, every design decision factors in aerodynamics, weight, mechanical efficiency, rolling resistance,