The Specialized Tarmac SL8 Comp SRAM Rival AXS Road Bike is the fastest Tarmac ever built, and the world’s fastest race bike. Developed over eight generations and more than 20 years of innovation, the SL8 Comp combines cutting-edge aerodynamics, ultra-lightweight construction, and exceptional ride quality into one uncompromising race machine.
Using real-world race simulations, Specialized Ride Science proved that the Tarmac SL8 is 16.6 seconds faster over 40km, 128 seconds faster at Milan–San Remo, and 20 seconds quicker on the Tourmalet climb compared to previous generations. This bike is built to dominate on any terrain, flats, climbs, and everything in between.
Now equipped with the SRAM Rival AXS groupset, the SL8 Comp offers effortless electronic shifting, reliable hydraulic disc braking, and a lighter overall build for unmatched performance at an accessible price point.
Aerodynamics Where It Counts: Engineered with the new Speed Sniffer nose cone head tube and ultra-narrow aero seatpost for reduced drag.
Ultra-Lightweight Carbon Frame: Inspired by the Specialized Aethos, the SL8 frame delivers World Tour-level stiffness and weighs just 685g (S-Works frame).
Race-Tuned Geometry: Rider-First Engineered design ensures every size rides with the same precision handling and performance.
Stiffness-to-Weight Gains: 33% improvement over the SL7 for explosive power transfer, sharper responsiveness, and smoother compliance on rough roads.
Versatility Built-In: 32mm tyre clearance for added comfort and adaptability across race and endurance setups.
Premium Componentry: SRAM Rival AXS electronic groupset, DT-Swiss DT R470 wheels, Tarmac integrated stem, and Specialized Shallow Drop alloy handlebars.
- Fastest Road Bike in the World – Proven gains across real race scenarios.
- Aero + Lightweight + Comfort – A rare combination that delivers all-around performance.
- Race-Ready Spec – Complete with Rival AXS for smooth, precise, and wireless shifting.
- Built Beyond Gender – Designed for every rider seeking the ultimate race bike advantage.
SRAM Rival AXS brings the precision and reliability of wireless electronic shifting to road and gravel bikes at an unbeatable value. With intuitive shifting, crisp performance, and a wide gear range, Rival AXS delivers pro-level technology for every rider.
Lightweight, durable, and fully wireless, the SRAM Rival AXS groupset offers smooth electronic shifting, powerful hydraulic disc braking, and easy connectivity through the AXS app, making it the perfect upgrade for modern road and gravel cycling.
Whether you’re chasing podiums, climbing legendary cols, or pushing your limits on local roads, the Specialized Tarmac SL8 Comp SRAM Rival AXS Road Bike delivers aero speed, lightweight climbing efficiency, and unbeatable ride quality in one complete package.