SHEET 49 OF 309 · Specialized · 2026 · race
Tarmac SL8 Comp - Shimano 105 Di2
Carbon race bike with 105 Di2 shifting and 26mm tyres on a 32mm-clearance frame, built for road racing and fast group rides.
How it scores
Calculated from the published specifications below. See the formula.
- Comfort
- 30
- Speed
- 81
- Climbing
- 74
- Versatility
- 12
- Value
- 25
Full specification
✓ Specs checked against the manufacturer
Last checked 3 Sept 2026 against the manufacturer's own page . Caveat: Size 56 geometry row, taken from Specialized's frame stack and frame reach rows rather than their stack/reach-to-stem rows. Chainset is 52/36. Specialized prints no model year on this page; 2026 reflects the current UK line-up as listed.
- Price (RRP)
- £3,599
- Frame
- carbon
- Groupset
- Shimano 105 Di2 R7170 2x12 electronic
- Shifting
- Electronic
- Weight
- 7.7 kg (claimed, size 56/M)
- Brakes
- Disc
- Stack / reach
- 565 / 395 mm (ratio 1.43)
- Tyre clearance
- 32 mm
- Stock tyres
- 26 mm
- Lowest gear
- 36×34 (29 gear inches)
- Mudguard mounts
- No
- Rack mounts
- No
Compared with
- Tarmac SL8 Comp - Shimano 105 Di2 vs Canyon Ultimate CF 7 AXS
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- Tarmac SL8 Comp - Shimano 105 Di2 vs Giant Propel Advanced 1
- Tarmac SL8 Comp - Shimano 105 Di2 vs Giant TCR Advanced Pro 2
- Tarmac SL8 Comp - Shimano 105 Di2 vs BMC Teammachine SLR ONE
- Tarmac SL8 Comp - Shimano 105 Di2 vs Cannondale CAAD14 2
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