2023 Specialized Aethos Expert vs 2022 Specialized Tarmac SL6
The 58 is the Specialized Tarmac SL6 size closest to your 58 Specialized Aethos Expert. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Tarmac SL6
Compared with the Specialized Aethos Expert in 58, the Specialized Tarmac SL6 in 58 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Aethos Expert, 58Specialized Tarmac SL6, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Aethos Expert 58 | Specialized Tarmac SL6 58 | Difference |
|---|---|---|---|
| Reach | 402mm | 402mm | ±0 mm |
| Stack | 591mm | 591mm | ±0 mm |
| Head tube angle | 73.5° | 73.5° | ±0.0° |
| Seat tube angle | 73.5° | 73.5° | ±0.0° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 1005mm | 1005mm | ±0 mm |
| BB drop | 72mm | 72mm | ±0 mm |
| BB height | 268mm | 268mm | ±0 mm |
| Standover | 796mm | 826mm | +30 mm |
| Seat tube length | 532mm | 540mm | +8 mm |
| Fork length | 369mm | 363mm | −6 mm |
| Head tube length | 184mm | 190mm | +6 mm |
Differences are the Specialized Tarmac SL6 minus the Specialized Aethos Expert. Full charts: 2023 Specialized Aethos Expert, 2022 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 SL6Tarmac SL6 - Shimano Tiagra |
|---|---|---|
| Frame | Specialized Aethos FACT | Specialized Tarmac SL6 |
| Shifter | SRAM Rival eTAP AXS | Shimano Tiagra |
| Derailleur | SRAM Rival eTAP AXS | Shimano Tiagra |
| Cassette | SRAM Rival | not listed |
| Chain | SRAM Rival | KMC X10 |
| Crankset | SRAM Rival AXS Power Meter | Shimano Tiagra 4700 |
| Bottom bracket | SRAM DUB | not listed |
| Wheelset | Roval C38 | Specialized Axis Sport |
| Tire | Specialized S-Works Turbo | Specialized Turbo Pro |
| Brake | SRAM Rival eTap AXS | Shimano Tiagra BR-4770 |
| Seatpost | Roval Alpinist | not listed |
| Saddle | Specialized Power Expert | Specialized Power Sport |
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