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Description

The 2026 Specialized Tarmac SL8 Frameset is the fastest race platform ever developed, combining aerodynamics, weight, stiffness, and compliance in a way previously thought impossible. After eight generations and over 20 years of innovation, the SL8 is more than just an evolution—it’s a revolution in speed. Race simulations using real-world data prove its dominance, clocking in 16.6 seconds faster over 40 km, 128 seconds faster over Milan–San Remo, and 20 seconds quicker on the Tourmalet climb compared to its predecessor. Designed for maximum efficiency on routes that matter, the Tarmac SL8 is the ultimate tool for riders whose legs—and ambitions—are ready for the challenge.

Aerodynamics are placed precisely where they have the most impact, with the all-new “Speed Sniffer” nose cone leading the charge. By shifting the steer tube back, the head tube’s leading edge is sharper and narrower, dramatically reducing drag. The seatpost design—our narrowest and most aerodynamic ever—optimizes airflow around the rider’s legs, while every tube shape takes advantage of updated UCI regulations. Borrowing engineering lessons from the ultra-light Aethos, the Tarmac SL8 delivers a jaw-dropping 685g FACT 10r carbon frame—15% lighter than the SL7—without sacrificing aerodynamic performance. The result is a race bike that can easily be built to the UCI minimum weight in full aero configuration.

Ride quality has also reached a new benchmark, with a 33% improvement in stiffness-to-weight over the SL7 and a 6% boost in compliance for greater comfort on rough roads. The SL8 is stiffer at the pedals, more precise at the bars, yet supple in the saddle thanks to Rider-First Engineering, ensuring every frame size delivers identical handling and feel. With proven race geometry, 32 mm tire clearance, a threaded bottom bracket, flat-mount disc brakes, and seamless integration, the Tarmac SL8 Frameset offers a versatile, high-performance foundation for your dream build—designed to go like hell and ride like heaven. A Tarmac integrated stem with a 6-degree angle delivers a low, controlled front end with race-ready positioning, while the S-Works Tarmac SL8 FACT Carbon seatpost with 15mm offset balances support and compliance for long-mile comfort. Completing the system, the Tarmac integrated wedge seat binder ensures a secure, clean, and aero seatpost interface—preserving both performance and aesthetics without compromise.

Please contact our knowledgeable sales staff with any questions or requests for SL8 Frameset colors/sizes not shown on our website. 800.627.6664 or sales@excelsports.com

Features

  • FACT 10r carbon construction delivers a 685g frameset, 15% lighter than the SL7
  • “Speed Sniffer” nose cone head tube shifts the steer tube back to reduce frontal drag
  • Aerodynamically optimized tube shapes leverage updated UCI regulations
  • 33% improvement in stiffness-to-weight ratio over the previous generation
  • 6% increase in vertical compliance for improved comfort over rough pavement
  • Rider-First Engineered™ design ensures identical ride feel and handling across all sizes
  • Proven race geometry offers confident handling and stable control at speed
  • Clearance for up to 32mm tires expands comfort and terrain versatility
  • Tarmac integrated stem with 6-degree angle delivers a precise, race-forward cockpit fit
  • S-Works Tarmac SL8 FACT Carbon seatpost with 15mm offset and integrated wedge binder ensures a secure, aerodynamic interface
Geometry
Size 44cm 49cm 52cm 54cm 56cm 58cm 59cm 61cm
Wheel Size 700 700 700 700 700 700 700 700
Stack 491mm 504mm 517mm 534mm 555mm 581mm 568mm 602mm
Reach 369mm 378mm 383mm 387mm 398mm 405mm 413mm 411mm
Head Angle 70.5° 71.75° 72.5° 73° 73.5° 73.5° 73° 73°
Seat Angle 75.5° 75.5° 74° 74° 73.5° 73.5° 73.5° 73°
Top Tube Length 496mm 509mm 531mm 541mm 563mm 577mm 587mm 595mm
Head Tube Length 93mm 102mm 113mm 131mm 151mm 178mm 163mm 198mm
Standover 723mm 735mm 746mm 768mm 786mm 808mm 809mm 834mm
Fork Trail 71mm 63mm 58mm 58mm 55mm 55mm 55mm 52mm
Fork Offset 47mm 47mm 47mm 44mm 44mm 44mm 44mm 44mm
Bottom Bracket Drop 74mm 74mm 74mm 72mm 72mm 72mm 72mm 72mm
Front Center 572mm 574mm 577mm 579mm 592mm 606mm 610mm 613mm
Wheelbase 970mm 973mm 975mm 978mm 991mm 1006mm 1009mm 1013mm
Chainstay Length 410mm 410mm 410mm 410mm 410mm 410mm 410mm 410mm