Description
Great condition approved used bike with some cosmetic marks to the cranks, rear derailleur, top tube and handlebars. Spec has been upgraded from new to include a Roval 1 piece bar and stem, Rapide wheels, and a Power pro Mirror saddle
Specialized Tarmac SL8 Expert Ultegra Di2 Road Bike 2026
The Specialized Tarmac SL8 is the fastest road bike in the world, bringing together aerodynamics, lightweight construction and exceptional ride quality in a way previously thought impossible. After eight generations and more than twenty years of refinement, it is built to deliver pure speed.
Specialized Aerodynamics
Aerodynamics are focused where they matter most, at the leading edge. The new Speed Sniffer nose cone sharpens the head tube for reduced drag, while a redesigned seatpost uses updated UCI rules to optimise airflow around the rider’s legs. The result is Specialized’s most aerodynamic road bike ever, even faster than the Venge.
Tarmac lightweight construction
Drawing inspiration from the Aethos, the Tarmac SL8 achieves a frame weight of just 685 g, making it 15 percent lighter than the Tarmac SL7 and the lightest aero frame on the World Tour. Its efficient load-bearing design reduces the need for excess carbon layers, ensuring strength while minimising weight.
Specialized Tarmac Ride quality
With a 33 percent improvement in stiffness-to-weight over the SL7, the Tarmac SL8 offers sharper handling and greater precision at the bars, while increased compliance ensures all-day comfort. Rider-First Engineering guarantees the same exceptional performance across all sizes, and 32 mm tyre clearance provides added versatility.
Designed to deliver equal performance benefits to every rider, the Tarmac SL8 moves beyond gender-specific bikes to create one platform that works for all.
The Tarmac SL8 Expert Di2 is equipped with a Shimano Ultegra Di2 groupset for smooth electronic shifting, C38 carbon tubeless ready wheels, and an SL7 stem paired with Specialized Expert Shallow Drop alloy handlebars, delivering uncompromising performance in an accessible build.
- Certified Quality & Peace of Mind
Every bike is meticulously inspected to the highest safety standards and comes with a one-year warranty*, ensuring reliability and performance you can trust. - Premium Bikes, Lower Prices
Own a high-end bike for less – get access to top-tier brands and models at a fraction of the cost, making performance cycling more affordable. - Sustainable & Eco-Friendly Choice
Choosing a pre-owned bike helps reduce waste and extends the life of quality bicycles, making it a greener way to ride. - Hassle-Free Trade-In & Upgrade
Easily part-exchange your old bike for an upgrade, making it simple to switch, save, and keep riding the best bike for your needs
Approved Used Warranty Information
Technical Specification
| Frame | Specialized Tarmac SL8 FACT 10r Carbon, size 54cm, 2025 |
| Fork | FACT 10r Carbon Fork |
| Stem | Roval One Piece Carbon Bar/Stem, 100mm |
| Handlebar | Roval One Piece Carbon Bar/Stem, 40cm |
| Levers/Shifters | Shimano Ultegra, BR-R8170 Hydraulic, 160mm rotor |
| Front Derailleur | Shimano Ultegra, FD-R8150, 2x12 speed, braze on |
| Rear Derailleur | Shimano Ultegra, RD-R8150, 12 speed |
| Cassette | Shimano Ultegra, CS-R8101, 11-30T 12 speed |
| Crankset | Shimano Ultegra, FC-R8100, 2x 52-36T, 172.5mm cranks |
| Wheels | Roval Rapide Carbon TLR, 50mm deep rim, DT Swiss 350 Hub |
| Tyres | S-Works Turbo, 700x26c, inner tubes |
| Saddle | S-Works Power Pro Mirror, 143mm, Hollow Ti rails |
| Seatpost | S-Works Tarmac Carbon Seatpost |
| Pedals | Available to be purchased separately |
Size Guide
Specialized Tarmac SL8 Expert 54cm - Approved Used Sizing
Delivery & Returns
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Why buy a used bike from Sigma Sports?
Every bike is meticulously inspected to the highest safety standards and comes with a one-year warranty*, ensuring reliability and performance you can trust.
Own a high-end bike for less – get access to top-tier brands and models at a fraction of the cost, making performance cycling more affordable.
Choosing a pre-owned bike helps reduce waste and extends the life of quality bicycles, making it a greener way to ride.
Easily part-exchange your old bike for an upgrade, making it simple to switch, save, and keep riding the best bike for your needs.