2024 Specialized Aethos Comp vs 2022 Specialized Tarmac SL6
The Specialized Tarmac SL6 size closest to your 54 is the 54. Compare the 54 instead
What changes on the Specialized Tarmac SL6
Compared with the Specialized Aethos Comp in 54, the Specialized Tarmac SL6 in 58 places the top of the head tube 47 mm higher and 18 mm further forward, relative to the bottom bracket. Its wheelbase is 27 mm longer, which can contribute to stability at speed.
- Frame stack
- +47 mm
- Higher front end
- Frame reach
- +18 mm
- Longer frame reach
- Wheelbase
- +27 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Aethos Comp, 54Specialized Tarmac SL6, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Aethos Comp 54 | Specialized Tarmac SL6 58 | Difference |
|---|---|---|---|
| Reach | 384mm | 402mm | +18 mm |
| Stack | 544mm | 591mm | +47 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 | 1005mm | +27 mm |
| BB drop | 72mm | 72mm | ±0 mm |
| BB height | 268mm | 268mm | ±0 mm |
| Standover | 748mm | 826mm | +78 mm |
| Seat tube length | 481mm | 540mm | +59 mm |
| Fork length | 369mm | 363mm | −6 mm |
| Head tube length | 137mm | 190mm | +53 mm |
Differences are the Specialized Tarmac SL6 minus the Specialized Aethos Comp. Full charts: 2024 Specialized Aethos Comp, 2022 Specialized Tarmac SL6.
Where each sits in its class
Specialized Aethos CompSpecialized Tarmac SL6
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 Aethos CompComp | Specialized Tarmac SL6Tarmac SL6 - Shimano Tiagra |
|---|---|---|
| Frame | Specialized Aethos | Specialized Tarmac SL6 |
| Fork | Specialized FACT | not listed |
| Shifter | Shimano 105 R7170 | Shimano Tiagra |
| Derailleur | Shimano 105 R7150 Di2 | Shimano Tiagra |
| Cassette | Shimano 105 | not listed |
| Chain | Shimano SLX M7100 | KMC X10 |
| Crankset | Shimano 105 R7100 | Shimano Tiagra 4700 |
| Bottom bracket | Shimano Threaded BSA BB | not listed |
| Wheelset | DT Swiss R470 | Specialized Axis Sport |
| Tire | Turbo Pro | Specialized Turbo Pro |
| Brake | Shimano 105, Shimano 105 R7170 | Shimano Tiagra BR-4770 |
| Handlebar | Specialized Shallow Drop | not listed |
| Stem | Specialized Pro SL | not listed |
| Bar tape | Specialized Roubaix S-Wrap | not listed |
| Seatpost | Roval Alpinist | not listed |
| Saddle | Specialized Power Sport | Specialized Power Sport |
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