2022 Specialized Tarmac SL6 Sport vs 2024 Specialized Aethos FACT 12r Carbon
The Specialized Aethos FACT 12r Carbon size closest to your 54 is the 54. Compare the 54 instead
What changes on the Specialized Aethos FACT 12r Carbon
Compared with the Specialized Tarmac SL6 Sport in 54, the Specialized Aethos FACT 12r Carbon 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 13 mm longer, which can contribute to stability at speed.
- Frame stack
- +21 mm
- Higher front end
- Frame reach
- +11 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 SL6 Sport, 54Specialized Aethos FACT 12r Carbon, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac SL6 Sport 54 | Specialized Aethos FACT 12r Carbon 56 | Difference |
|---|---|---|---|
| Reach | 384mm | 395mm | +11 mm |
| Stack | 544mm | 565mm | +21 mm |
| Head tube angle | 73° | 73.5° | +0.5° |
| Seat tube angle | 74° | 73.5° | −0.5° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 978mm | 991mm | +13 mm |
| BB drop | 72mm | 72mm | ±0 mm |
| BB height | 268mm | 268mm | ±0 mm |
| Standover | 775mm | 769mm | −6 mm |
| Seat tube length | 499mm | 504mm | +5 mm |
| Fork length | 363mm | 369mm | +6 mm |
| Head tube length | 143mm | 157mm | +14 mm |
Differences are the Specialized Aethos FACT 12r Carbon minus the Specialized Tarmac SL6 Sport. Full charts: 2022 Specialized Tarmac SL6 Sport, 2024 Specialized Aethos FACT 12r Carbon.
Where each sits in its class
Specialized Tarmac SL6 SportSpecialized Aethos FACT 12r Carbon
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 SL6 SportSport | Specialized Aethos FACT 12r CarbonS-Works FACT 12r Carbon |
|---|---|---|
| Frame | Specialized Tarmac SL6 | Specialized S-Works Aethos FACT |
| Shifter | Shimano 105 R7020 | not listed |
| Derailleur | Shimano 105 R7000, Shimano 105 R7000 GS | not listed |
| Cassette | Shimano 105 R7000 | not listed |
| Chain | KMC X11 Extra | not listed |
| Crankset | Shimano 105 R7000 | not listed |
| Wheelset | DT Swiss R470 | not listed |
| Tire | Specialized Turbo Pro | not listed |
| Brake | Shimano 105 | not listed |
| Saddle | Specialized Power Sport | not listed |
| Seatpost | not listed | Roval Alpinist |
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