2027 Specialized Tarmac SL9 Team Replica SD Worx Protime vs 2026 Specialized Tarmac SL8 Expert
The Specialized Tarmac SL8 Expert size closest to your 54 is the 54. Compare the 54 instead
What changes on the Specialized Tarmac SL8 Expert
Compared with the Specialized Tarmac SL9 Team Replica SD Worx Protime in 54, the Specialized Tarmac SL8 Expert in 56 places the top of the head tube 21 mm higher and 11 mm further forward, relative to the bottom bracket. Its wheelbase is 5 mm longer, which can contribute to stability at speed.
- Frame stack
- +21 mm
- Higher front end
- Frame reach
- +11 mm
- Longer frame reach
- Wheelbase
- +5 mm
- Longer: steadier at speed
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac SL9 Team Replica SD Worx Protime, 54Specialized Tarmac SL8 Expert, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac SL9 Team Replica SD Worx Protime 54 | Specialized Tarmac SL8 Expert 56 | Difference |
|---|---|---|---|
| Reach | 384mm | 395mm | +11 mm |
| Stack | 544mm | 565mm | +21 mm |
| Head tube angle | 72.5° | 73.5° | +1.0° |
| Seat tube angle | 74° | 73.5° | −0.5° |
| Effective top tube | 540mm | 563mm | +23 mm |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 986mm | 991mm | +5 mm |
| BB drop | 72mm | 72mm | ±0 mm |
| BB height | 268mm | 268mm | ±0 mm |
| Standover | 767mm | 786mm | +19 mm |
| Seat tube length | 473mm | 494mm | +21 mm |
| Fork length | 370mm | 370mm | ±0 mm |
| Head tube length | 140mm | 157mm | +17 mm |
Differences are the Specialized Tarmac SL8 Expert minus the Specialized Tarmac SL9 Team Replica SD Worx Protime. Full charts: 2027 Specialized Tarmac SL9 Team Replica SD Worx Protime, 2026 Specialized Tarmac SL8 Expert.
Where each sits in its class
Specialized Tarmac SL9 Team Replica SD Worx ProtimeSpecialized Tarmac SL8 Expert
Each bike is ranked against the other road bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Specialized Tarmac SL9 Team Replica SD Worx ProtimeS-Works Team Replica SD Worx - Protime | Specialized Tarmac SL8 ExpertExpert |
|---|---|---|
| Frame | Specialized S-Works Tarmac SL9 FACT | Specialized Tarmac SL8 FACT |
| Fork | Specialized S-Works FACT 12r Carbon | not listed |
| Headset | CeramicSpeed SLT | Specialized SL7 |
| Seatpost | Specialized S-Works Rapide Post | Specialized S-Works Tarmac SL8 |
| Shifter | not listed | SRAM Force AXS E1 HRD |
| Derailleur | not listed | SRAM Force AXS E1 |
| Cassette | not listed | SRAM Force XG-1270 |
| Chain | not listed | SRAM Force E1 |
| Crankset | not listed | SRAM Force E1 |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | Roval C38 |
| Tire | not listed | Specialized S-Works Turbo |
| Brake | not listed | SRAM Force AXS E1 |
| Saddle | not listed | Specialized Power Expert |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
