2020 Specialized Tarmac SL6 Disc Expert vs 2022 Specialized Aethos Expert
The Specialized Aethos Expert size closest to your 54 is the 54. Compare the 54 instead
What changes on the Specialized Aethos Expert
Compared with the Specialized Tarmac SL6 Disc Expert in 54, the Specialized Aethos Expert 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 Tarmac SL6 Disc Expert, 54Specialized Aethos Expert, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac SL6 Disc Expert 54 | Specialized Aethos Expert 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 | 775mm | 796mm | +21 mm |
| Seat tube length | 481mm | 532mm | +51 mm |
| Fork length | 363mm | 369mm | +6 mm |
| Head tube length | 143mm | 184mm | +41 mm |
Differences are the Specialized Aethos Expert minus the Specialized Tarmac SL6 Disc Expert. Full charts: 2020 Specialized Tarmac SL6 Disc Expert, 2022 Specialized Aethos Expert.
Where each sits in its class
Specialized Tarmac SL6 Disc ExpertSpecialized Aethos Expert
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 Disc ExpertDisc Expert | Specialized Aethos ExpertExpert |
|---|---|---|
| Frame | Specialized Tarmac SL6 | Specialized Aethos FACT |
| Shifter | Shimano Ultegra Di2 | Specialized Di2 Shimano Ultegra R8170 |
| Derailleur | Shimano Ultegra R8050 Di2 | Specialized Di2 Shimano Ultegra R8150 |
| Cassette | Shimano Ultegra R8000 | Shimano Ultegra |
| Chain | Shimano Ultegra | Shimano XT M8100 |
| Crankset | Shimano Ultegra R8000 | Shimano Ultegra R8100 |
| Wheelset | Roval C38 | Roval C38 |
| Tire | Specialized S-Works Turbo | Specialized S-Works Turbo |
| Brake | Shimano 105 | Shimano Ultegra R8170 |
| Saddle | Specialized Power Expert | Specialized Power Expert |
| Seatpost | not listed | Roval Alpinist |
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