2022 Specialized Tarmac SL7 Sagan Collection Disruption vs 2024 Specialized Tarmac SL8 Expert
The 54 is the Specialized Tarmac SL8 Expert size closest to your 56 Specialized Tarmac SL7 Sagan Collection Disruption. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Tarmac SL8 Expert
Compared with the Specialized Tarmac SL7 Sagan Collection Disruption in 56, the Specialized Tarmac SL8 Expert in 54 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac SL7 Sagan Collection Disruption, 56Specialized Tarmac SL8 Expert, 54Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac SL7 Sagan Collection Disruption 56 | Specialized Tarmac SL8 Expert 54 | Difference |
|---|---|---|---|
| Reach | 381mm | 381mm | ±0 mm |
| Stack | 552mm | 552mm | ±0 mm |
| Head tube angle | 73° | 73° | ±0.0° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 978mm | 978mm | ±0 mm |
| BB drop | 72mm | 72mm | ±0 mm |
| BB height | 268mm | 268mm | ±0 mm |
| Standover | 768mm | 768mm | ±0 mm |
| Seat tube length | 475mm | 473mm | −2 mm |
| Fork length | 366mm | 370mm | +4 mm |
| Head tube length | 131mm | 137mm | +6 mm |
Differences are the Specialized Tarmac SL8 Expert minus the Specialized Tarmac SL7 Sagan Collection Disruption. Full charts: 2022 Specialized Tarmac SL7 Sagan Collection Disruption, 2024 Specialized Tarmac SL8 Expert.
Where each sits in its class
Specialized Tarmac SL7 Sagan Collection DisruptionSpecialized 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 SL7 Sagan Collection DisruptionS-Works Sagan Collection - Disruption | Specialized Tarmac SL8 ExpertExpert |
|---|---|---|
| Frame | Specialized S-Works Tarmac SL7 FACT | Specialized Tarmac SL8 |
| Stem | Specialized Tarmac | Tarmac integrated |
| Shifter | not listed | SRAM eTap AXS Rival |
| Derailleur | not listed | SRAM eTap AXS Rival |
| Cassette | not listed | SRAM Rival |
| Chain | not listed | SRAM Rival |
| Crankset | not listed | SRAM Rival |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | Roval C38 |
| Tire | not listed | Specialized Turbo |
| Brake | not listed | SRAM eTap AXS Rival |
| Handlebar | not listed | Specialized Shallow Drop |
| Bar tape | not listed | Supacaz Super Sticky Kush |
| Seatpost | not listed | Specialized S-Works Tarmac SL8 |
| Saddle | not listed | Specialized Power |
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
