The Specialized Tarmac SL8 Expert Ultegra Di2 Road Bike is engineered for speed, precision, and race-winning performance. With a perfect combination of aerodynamics, lightweight carbon frame, stiffness, and compliance, the SL8 Expert is the ultimate high-performance road bike for competitive cyclists, endurance riders, and anyone seeking pro-level race bike performance.
After eight generations and more than two decades of innovation, the Tarmac SL8 is more than just the fastest Tarmac ever, it’s a world-class aero road bike built to excel on climbs, sprints, and iconic race routes.
- Pro-Level Carbon Frame: Lightweight 685g Tarmac SL8 carbon frame, engineered using Rider-First Technology for consistent ride quality across all sizes.
- Aerodynamic Race Geometry: Featuring the Speed Sniffer nose cone and Specialized’s most aerodynamic seatpost ever for reduced drag and maximum speed.
- Ultegra Di2 Electronic Groupset: Smooth, precise shifting with Shimano Ultegra Di2, perfect for competitive racing or fast group rides.
- C38 Carbon Tubeless-Ready Wheels: Lightweight, aerodynamic wheelset compatible with tubeless tyres for improved speed, traction, and comfort.
- SL7 Stem & Expert Shallow Drop Alloy Handlebars: Balanced handling, precise steering, and race-ready control.
- Stiffness-to-Weight Optimisation: 33% improvement over the SL7, providing explosive power transfer and responsive handling.
- Compliant Ride for Comfort: 6% more saddle compliance than SL7, smoothing rough roads without compromising race geometry.
- Versatile Tyre Clearance: 32mm tyre capacity for comfort and adaptability on varying road conditions.
- Beyond Gender Design: Optimised for all riders regardless of gender, ensuring world-class ride quality for every cyclist.
Performance Highlights
- Fastest Race Bike on Key Routes: 16.6 seconds faster over 40km, 128 seconds faster across Milan-San Remo, and 20 seconds quicker on the Tourmalet climb.
- Aerodynamic Efficiency: Leading-edge aero features for maximum speed on flats, descents, and technical sections.
- Lightweight, World Tour-Proven Design: Lessons from the Aethos frame applied to reduce weight without sacrificing stiffness or handling.
The Specialized Tarmac SL8 Expert Ultegra Di2 Road Bike is the ultimate carbon race bike for performance-driven cyclists. Built with precision, speed, and comfort in mind, this high-end aero road bike is ready to dominate training rides, gran fondos, and professional racing.
The Specialized Tarmac SL8 Expert Ultegra Di2 is a lightweight carbon aero road bike, Ultegra Di2 electronic drivetrain, C38 tubeless wheels, Rider-First engineered, world-class race geometry.