2026 Specialized Tarmac SL8 Comp – Shimano 105 Di2

Nothing is faster than the Tarmac SL8. After eight generations and more than two decades of development, the Tarmac SL8 is not just the fastest Tarmac ever—it’s the fastest race bike in the world.

Speed is not about aerodynamics or lightweight alone. It’s about the perfect balance of aero efficiency, ultra-low weight, stiffness, and compliance. Through real-world race simulations, Specialized’s Ride Science team proved that the Tarmac SL8 is significantly faster on the routes that matter most.

Why the Tarmac SL8 Is the Fastest

• 16.6 seconds faster over 40 km compared to previous models
• 128 seconds faster over Milan–San Remo
• 20 seconds faster over the legendary Tourmalet climb

Aero in Everything

The Tarmac SL8 puts aerodynamics where it truly matters—the leading edge. The new Speed Sniffer nose cone sharpens the head tube profile by repositioning the steer tube, reducing drag even more than the Venge. A newly designed ultra-narrow seatpost ensures clean airflow around the legs for maximum efficiency.

Minimum Weight, Maximum Aero

With lessons learned from the Aethos, the Tarmac SL8 frame weighs just 685 grams—15% lighter than the SL7—while maintaining full aero performance. Its carbon layup carries load so efficiently that excess material is eliminated without compromising stiffness or ride quality.

Goes Like Hell, Rides Like Heaven

With a 33% improvement in stiffness-to-weight over the SL7 and 6% more compliance, the Tarmac SL8 delivers explosive acceleration, razor-sharp handling, and a surprisingly smooth ride. Thanks to Rider-First Engineering™, every size offers identical ride quality and performance.

Tarmac SL8 Comp Di2 Highlights

• FACT 10r carbon aero race frame
• Shimano 105 Di2 12-speed electronic drivetrain
• Hydraulic disc brakes for confident stopping
• DT Swiss R470 tubeless-ready wheelset
• Race-ready geometry with 32mm tire clearance

Specifications are subject to change without notice.