2024 Specialized Tarmac SL8 vs 2022 Specialized Tarmac SL7 Sagan Collection Disruption
The 61 is the Specialized Tarmac SL7 Sagan Collection Disruption size closest to your 58 Specialized Tarmac SL8. 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 SL7 Sagan Collection Disruption
Compared with the Specialized Tarmac SL8 in 58, the Specialized Tarmac SL7 Sagan Collection Disruption in 61 places the top of the head tube 8 mm higher and about as far forward, relative to the bottom bracket.
- Frame stack
- +8 mm
- Higher front end
- Frame reach
- −2 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 SL8, 58Specialized Tarmac SL7 Sagan Collection Disruption, 61Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac SL8 58 | Specialized Tarmac SL7 Sagan Collection Disruption 61 | Difference |
|---|---|---|---|
| Reach | 402 | 400mm | −2 mm |
| Stack | 591 | 599mm | +8 mm |
| Head tube angle | 73.5 | 73.5° | ±0.0° |
| Seat tube angle | 73.5 | 73.5° | ±0.0° |
| Chainstay length | 410 | 410mm | ±0 mm |
| Wheelbase | 1006 | 1006mm | ±0 mm |
| BB drop | 72 | 72mm | ±0 mm |
| BB height | 268 | 268mm | ±0 mm |
| Standover | 808 | 808mm | ±0 mm |
| Seat tube length | 515 | 517mm | +2 mm |
| Fork length | 370 | 366mm | −4 mm |
| Head tube length | 184 | 178mm | −6 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 |
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