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 S-Works kit is the halo build — same geometry as the non-S-Works page for this year, different parts.
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.
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 S-Works kit is the halo build — same geometry as the non-S-Works page for this year, different parts.
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 |  SpecializedS-Works Tarmac SL8 2027 | SpecializedS-Works Tarmac SL8 2026 |
|---|---|---|
| Stackmm | 544 | 544 |
| Reachmm | 384 | 384 |
| Head tube angle° | 73.0 | 73.0 |
| Seat tube angle° | 74.0 | 74.0 |
| Chainstaymm | 410 | 410 |
| Wheelbasemm | 978 | 978 |
| BB dropmm | 72 | 72 |
| BB heightmm | 268 | 268 |
| Standovermm | 768 | 768 |
| Part | S-Works Tarmac SL8 54 | S-Works Tarmac SL8 54 |
|---|---|---|
| Stem | 100 mm | 100 mm |
| Bar | 420 mm | 420 mm |
| Crank | 172.5 mm | 172.5 mm |
# Specialized Tarmac SL9 vs Tarmac SL8: Which is better in 2026? ## The claims Let’s start with the marketing, because this is a Specialized launch and the marketing department…
The ink on the Specialized S-Works Tarmac SL9 launch is barely dry, and you can already grab yourself a deal on select Tarmac SL8 models with Balfe's and ...
# Specialized Tarmac SL9 vs Tarmac SL8: Which is better in 2026? ## The claims Let’s start with the marketing, because this is a Specialized launch and the marketing department…
The ink on the Specialized S-Works Tarmac SL9 launch is barely dry, and you can already grab yourself a deal on select Tarmac SL8 models with Balfe's and ...