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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
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.
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.
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.
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.
Approved Used Warranty Information
| — | S | M | L | XL |
|---|---|---|---|---|
| A | 380 | 410 | 455 | 480 |
| B | 570 | 595 | 627 | 660 |
| C | - | - | - | - |
| D | 75.3° | 75° | 74.6° | 74.2° |
| E | - | - | - | - |
| F | 65.5° | 65.5° | 65.5° | 65.5° |
| G | 105 | 110 | 140 | 155 |
| H | 432 | 432 | 432 | 432 |
| I | 1157 | 1179 | 1212 | 1243 |

If you fall between sizes, we recommend experienced riders selecting a smaller frame which will offer faster handling. A larger bicycle offers more stability.
Should you have any specific questions, please contact us for information and talk to one of our experienced members of staff.
A: Seat Tube (CTR-TOP)
B: Horizontal Top Tube
C: Actual Top Tube
D: Actual Seat Angle
E: Effective Seat Angle
F: Head Angle
G: Head Tube
H: Chainstay
I: Wheelbase
* All measurements in mm unless otherwise stated
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Free UK delivery on orders over £50. Orders are dispatched within 1-2 working days and typically arrive 1-2 working days later.
Return unused items in their original packaging within 30 days of delivery. Return postage is £3.50.
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Founded in California in 1974, Specialized began with a simple promise: serious riders deserve serious gear. Half a century later, the brand still funds its own wind tunnel, builds its own carbon, and tests every bike with the world's best so that you ride your own best.
The first production mountain bike. The first cycling-specific shoes. FACT carbon, the Win Tunnel, S-Works. Specialized has a habit of building the things the rest of cycling ends up copying.