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 58 places the top of the head tube 29 mm higher and 9 mm further forward, relative to the bottom bracket. Its wheelbase is 13 mm longer, which can contribute to stability at speed.
- Frame stack
- +29 mm
- Higher front end
- Frame reach
- +9 mm
- Longer frame reach
- Wheelbase
- +13 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac SL8, 54Specialized Tarmac SL7 Sagan Collection Disruption, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac SL8 54 | Specialized Tarmac SL7 Sagan Collection Disruption 58 | Difference |
|---|---|---|---|
| Reach | 384 | 393mm | +9 mm |
| Stack | 544 | 573mm | +29 mm |
| Head tube angle | 73 | 73.5° | +0.5° |
| Seat tube angle | 74 | 73.5° | −0.5° |
| Chainstay length | 410 | 410mm | ±0 mm |
| Wheelbase | 978 | 991mm | +13 mm |
| BB drop | 72 | 72mm | ±0 mm |
| BB height | 268 | 268mm | ±0 mm |
| Standover | 768 | 786mm | +18 mm |
| Seat tube length | 473 | 496mm | +23 mm |
| Fork length | 370 | 366mm | −4 mm |
| Head tube length | 137 | 151mm | +14 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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