2024 Specialized Tarmac SL8 vs 2022 Specialized Tarmac SL7 Sagan Collection Disruption
The Specialized Tarmac SL7 Sagan Collection Disruption size closest to your 54 is the 56. Compare the 56 instead
What changes on the Specialized Tarmac SL7 Sagan Collection Disruption
Compared with the Specialized Tarmac SL8 in 54, the Specialized Tarmac SL7 Sagan Collection Disruption in 49 places the top of the head tube 35 mm lower and 21 mm further back, relative to the bottom bracket. Its wheelbase is 8 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −35 mm
- Lower front end
- Frame reach
- −21 mm
- Shorter frame reach
- Wheelbase
- −8 mm
- Shorter: quicker to change direction
- Head angle
- −2.5°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac SL8, 54Specialized Tarmac SL7 Sagan Collection Disruption, 49Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac SL8 54 | Specialized Tarmac SL7 Sagan Collection Disruption 49 | Difference |
|---|---|---|---|
| Reach | 384 | 363mm | −21 mm |
| Stack | 544 | 509mm | −35 mm |
| Head tube angle | 73 | 70.5° | −2.5° |
| Seat tube angle | 74 | 75.5° | +1.5° |
| Chainstay length | 410 | 410mm | ±0 mm |
| Wheelbase | 978 | 970mm | −8 mm |
| BB drop | 72 | 74mm | +2 mm |
| BB height | 268 | 266mm | −2 mm |
| Standover | 768 | 723mm | −45 mm |
| Seat tube length | 473 | 435mm | −38 mm |
| Fork length | 370 | 366mm | −4 mm |
| Head tube length | 137 | 93mm | −44 mm |
Differences are the Specialized Tarmac SL7 Sagan Collection Disruption minus the Specialized Tarmac SL8. Full charts: 2024 Specialized Tarmac SL8, 2022 Specialized Tarmac SL7 Sagan Collection Disruption.
Where each sits in its class
Specialized Tarmac SL8Specialized Tarmac SL7 Sagan Collection Disruption
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 SL8 | Specialized Tarmac SL7 Sagan Collection DisruptionS-Works Sagan Collection - Disruption |
|---|---|---|
| Frame | not listed | Specialized S-Works Tarmac SL7 FACT |
| Stem | not listed | Specialized Tarmac |
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
