2022 Specialized Aethos Expert vs 2020 Specialized Tarmac SL6
The 49 is the Specialized Tarmac SL6 size closest to your 49 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 49, the Specialized Tarmac SL6 in 49 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, 49Specialized Tarmac SL6, 49Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Aethos Expert 49 | Specialized Tarmac SL6 49 | Difference |
|---|---|---|---|
| Reach | 375mm | 375mm | ±0 mm |
| Stack | 514mm | 514mm | ±0 mm |
| Head tube angle | 71.75° | 71.75° | ±0.0° |
| Seat tube angle | 75.5° | 75.5° | ±0.0° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 973mm | 973mm | ±0 mm |
| BB drop | 74mm | 74mm | ±0 mm |
| BB height | 266mm | 266mm | ±0 mm |
| Standover | 705mm | 740mm | +35 mm |
| Seat tube length | 431mm | 431mm | ±0 mm |
| Fork length | 369mm | 363mm | −6 mm |
| Head tube length | 109mm | 115mm | +6 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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