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 Tarmac SL8 Expert Di2 vs. Specialized Tarmac SL8 Comp Di2
The Specialized Tarmac SL8 Expert Di2 is available from £4,599, the Specialized Tarmac SL8 Comp Di2 from £3,589 – a difference of £1,010. We currently compare 7 offers from online shops and retailers.
Specialized Tarmac SL8 Expert Di2 – 28 inches – Diamond – 2026
from £4,599 · 6 offers
View deal at CYCLESTOREIn favour of the Specialized Tarmac SL8 Expert Di2
- higher-end groupset (Shimano Deore XT)
- better brakes (Shimano Ultegra)
- more offers (6)
Specialized Tarmac SL8 Comp Di2 – 28 inches – Diamond – 2026
from £3,589 · 1 offers
View deal at CYCLESTOREIn favour of the Specialized Tarmac SL8 Comp Di2
- cheaper (−£1,010)
Key differences
- Groupset: Specialized Tarmac SL8 Expert Di2 – Shimano Deore XT · Specialized Tarmac SL8 Comp Di2 – Shimano SLX
- Brakes: Specialized Tarmac SL8 Expert Di2 – Shimano Ultegra · Specialized Tarmac SL8 Comp Di2 – Shimano 105
Full spec comparison
| Specialized Tarmac SL8 Expert Di2 – 28 inches – Diamond – 2026View deal at CYCLESTORE | Specialized Tarmac SL8 Comp Di2 – 28 inches – Diamond – 2026View deal at CYCLESTORE | |
|---|---|---|
| Price from | £4,599 | £3,589 |
| Offers | 6 | 1 |
| Brand | Specialized | Specialized |
| Model year | 2026 | 2026 |
| Groupset | Shimano Deore XT | Shimano SLX |
| Gears | 24 | 24 |
| Drivetrain | Derailleur | Derailleur |
| Brakes | Shimano Ultegra | Shimano 105 |
| 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.