2022 Specialized Tarmac SL6 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 in 54, the Specialized Aethos FACT 12r Carbon in 52 places the top of the head tube 17 mm lower and 4 mm further back, relative to the bottom bracket. Its wheelbase is 3 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −17 mm
- Lower front end
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- −3 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac SL6, 54Specialized Aethos FACT 12r Carbon, 52Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac SL6 54 | Specialized Aethos FACT 12r Carbon 52 | Difference |
|---|---|---|---|
| Reach | 384mm | 380mm | −4 mm |
| Stack | 544mm | 527mm | −17 mm |
| Head tube angle | 73° | 72.5° | −0.5° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 978mm | 975mm | −3 mm |
| BB drop | 72mm | 74mm | +2 mm |
| BB height | 268mm | 266mm | −2 mm |
| Standover | 775mm | 728mm | −47 mm |
| Seat tube length | 499mm | 462mm | −37 mm |
| Fork length | 363mm | 369mm | +6 mm |
| Head tube length | 143mm | 120mm | −23 mm |
Differences are the Specialized Aethos FACT 12r Carbon minus the Specialized Tarmac SL6. Full charts: 2022 Specialized Tarmac SL6, 2024 Specialized Aethos FACT 12r Carbon.
Where each sits in its class
Specialized Tarmac SL6Specialized 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 SL6Tarmac SL6 - Shimano Tiagra | Specialized Aethos FACT 12r CarbonS-Works FACT 12r Carbon |
|---|---|---|
| Frame | Specialized Tarmac SL6 | Specialized S-Works Aethos FACT |
| Shifter | Shimano Tiagra | not listed |
| Derailleur | Shimano Tiagra | not listed |
| Chain | KMC X10 | not listed |
| Crankset | Shimano Tiagra 4700 | not listed |
| Wheelset | Specialized Axis Sport | not listed |
| Tire | Specialized Turbo Pro | not listed |
| Brake | Shimano Tiagra BR-4770 | not listed |
| Saddle | Specialized Power Sport | not listed |
| Seatpost | not listed | Roval Alpinist |
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