2022 Specialized Aethos Expert vs 2020 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 Expert 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 Expert, 54Specialized Tarmac SL6, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Aethos Expert 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 | 522mm | +41 mm |
| Fork length | 369mm | 363mm | −6 mm |
| Head tube length | 137mm | 190mm | +53 mm |
Differences are the Specialized Tarmac SL6 minus the Specialized Aethos Expert. Full charts: 2022 Specialized Aethos Expert, 2020 Specialized Tarmac SL6.
Where each sits in its class
Specialized Aethos ExpertSpecialized 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 ExpertExpert | Specialized Tarmac SL6S-Works |
|---|---|---|
| Frame | Specialized Aethos FACT | not listed |
| Shifter | Specialized Di2 Shimano Ultegra R8170 | not listed |
| Derailleur | Specialized Di2 Shimano Ultegra R8150 | SRAM RED eTAP AXS |
| Cassette | Shimano Ultegra | SRAM RED XG-1290 |
| Chain | Shimano XT M8100 | SRAM Red |
| Crankset | Shimano Ultegra R8100 | SRAM RED AXS Power Meter |
| Wheelset | Roval C38 | Roval CLX 50 |
| Tire | Specialized S-Works Turbo | Specialized Turbo Cotton |
| Brake | Shimano Ultegra R8170 | SRAM Red eTap AXS |
| Seatpost | Roval Alpinist | not listed |
| Saddle | Specialized Power Expert | Specialized S-Works Power |
| Bottom bracket | not listed | SRAM DUB |
| Hub | not listed | Specialized LuHai_RVT66L-K5-B25-AN2-N4-F0 |
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