Superbike8.co.uk – The ultimate bike search engine and price comparison site
Superbike8.co.uk – The ultimate bike search engine and price comparison site
Specialized Aethos Expert Di2 vs. Specialized Tarmac SL8 Pro AXS
The Specialized Aethos Expert Di2 is available from £5,499, the Specialized Tarmac SL8 Pro AXS from £7,239 – a difference of £1,740. We currently compare 2 offers from online shops and retailers.
Specialized Aethos Expert Di2 – 28 inches – Diamond – 2026
from £5,499 · 1 offers
View deal at CYCLESTOREIn favour of the Specialized Aethos Expert Di2
- cheaper (−£1,740)
Specialized Tarmac SL8 Pro AXS – 28 inches – Diamond – 2026
from £7,239 · 1 offers
View deal at CYCLESTOREIn favour of the Specialized Tarmac SL8 Pro AXS
- better brakes (SRAM Force/Red)
Key differences
- Groupset: Specialized Aethos Expert Di2 – Shimano Deore XT · Specialized Tarmac SL8 Pro AXS – SRAM Force
- Brakes: Specialized Aethos Expert Di2 – Shimano Ultegra · Specialized Tarmac SL8 Pro AXS – SRAM Force/Red
Full spec comparison
| Specialized Aethos Expert Di2 – 28 inches – Diamond – 2026View deal at CYCLESTORE | Specialized Tarmac SL8 Pro AXS – 28 inches – Diamond – 2026View deal at CYCLESTORE | |
|---|---|---|
| Price from | £5,499 | £7,239 |
| Offers | 1 | 1 |
| Brand | Specialized | Specialized |
| Model year | 2026 | 2026 |
| Groupset | Shimano Deore XT | SRAM Force |
| Gears | 24 | 24 |
| Drivetrain | Derailleur | Derailleur |
| Brakes | Shimano Ultegra | SRAM Force/Red |
| Weight | 7.1 kg | – |
| Wheel size | 28" | 28" |
| Frame | Carbon | Carbon |
| View deal View product on superbike8.co.uk › | View deal View product on superbike8.co.uk › |
Green = best value in this comparison. Data from manufacturers and retailers, no guarantee. Prices incl. tax, as of 5 October 2026.