Racers on a budget and crit riders who want Tarmac-like stack/reach in aluminum.
Alloy race bike with carbon-adjacent geometry. Stiff, loud, and surprisingly close to Tarmac numbers in recent years. It feels like a crit bike, not an Allez endurance frame.
Racers on a budget and crit riders who want Tarmac-like stack/reach in aluminum.
Alloy race bike with carbon-adjacent geometry. Stiff, loud, and surprisingly close to Tarmac numbers in recent years. It feels like a crit bike, not an Allez endurance frame.
Racers and fast club riders who want the modern Tarmac. If you came off an SL7, check that the stack/reach still matches your size.
The current Specialized race bike: lighter than SL7, still aero, and famously 'it just disappears' if the fit is right. Size by stack/reach — the 54/56 split is where a lot of riders hop.
| Measurement |  SpecializedAllez Sprint 2025 |  SpecializedAllez Sprint 2024 |  SpecializedTarmac SL8 2025 |
|---|---|---|---|
| Stackmm | 565 | 565 | 544−21 |
| Reachmm | 391 | 391 | 384−7 |
| Head tube angle° | 73.5 | 73.5 | 73.0−0.5 |
| Seat tube angle° | 73.5 | 73.5 | 74.0+0.5 |
| Chainstaymm | 410 | 410 | 410 |
| Wheelbasemm | 999 | 999 | 978−21 |
| BB dropmm | 70 | 70 | 72+2 |
| BB heightmm | — | — | 268 |
| Standovermm | — | — | 768 |
| Part | Allez Sprint 56 | Allez Sprint 56 | Tarmac SL8 54 |
|---|---|---|---|
| Stem | 100 mm | 100 mm | 100 mm |
| Bar | 420 mm | 420 mm | 420 mm |
| Crank | 172.5 mm | 172.5 mm | 172.5 mm |
That spec retails for £8,250 and is said to weigh 7.16kg in a size 56. You can read Sam's full review here. The Specialized Tarmac SL8 will be at the ...
# Specialized Tarmac SL8 Expert #### VERDICT: - Very Good - Quite good - Not so good ### Specialized SL8 Expert: Ride The SL8 was noticeably comfortable, but there was a sense o…
