2025 Specialized Tarmac SL8 LTD Remco's ‘Golden Season’ vs 2025 Specialized Aethos Pro
The 54 is the Specialized Aethos Pro size closest to your 54 Specialized Tarmac SL8 LTD Remco's ‘Golden Season’. 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 Aethos Pro
Compared with the Specialized Tarmac SL8 LTD Remco's ‘Golden Season’ in 54, the Specialized Aethos Pro in 54 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 Tarmac SL8 LTD Remco's ‘Golden Season’, 54Specialized Aethos Pro, 54Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac SL8 LTD Remco's ‘Golden Season’ 54 | Specialized Aethos Pro 54 | Difference |
|---|---|---|---|
| Reach | 384mm | 384mm | ±0 mm |
| Stack | 544mm | 544mm | ±0 mm |
| Head tube angle | 73° | 73° | ±0.0° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Effective top tube | 541mm | 540mm | −1 mm |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 978mm | 978mm | ±0 mm |
| BB drop | 72mm | 72mm | ±0 mm |
| BB height | 268mm | 268mm | ±0 mm |
| Standover | 768mm | 748mm | −20 mm |
| Seat tube length | 473mm | 481mm | +8 mm |
| Fork length | 370mm | 369mm | −1 mm |
| Head tube length | 137mm | 137mm | ±0 mm |
Differences are the Specialized Aethos Pro minus the Specialized Tarmac SL8 LTD Remco's ‘Golden Season’. Full charts: 2025 Specialized Tarmac SL8 LTD Remco's ‘Golden Season’, 2025 Specialized Aethos Pro.
Where each sits in its class
Specialized Tarmac SL8 LTD Remco's ‘Golden Season’Specialized Aethos Pro
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 SL8 LTD Remco's ‘Golden Season’S-Works LTD Remco's ‘Golden Season’ | Specialized Aethos Pro |
|---|---|---|
| Frame | Specialized S-Works Tarmac SL8 FACT | not listed |
| Shifter | Shimano Dura-Ace R9270 | not listed |
| Derailleur | Shimano Dura-Ace R9250 | not listed |
| Cassette | Shimano Dura-Ace | not listed |
| Chain | Shimano Dura-Ace R9270 | not listed |
| Crankset | Shimano Dura-Ace R9200 | not listed |
| Bottom bracket | Shimano Dura-Ace | not listed |
| Wheelset | Roval Rapide CLX II | not listed |
| Tire | Specialized S-Works Turbo Rapidair 2Br | not listed |
| Brake | Shimano Dura-Ace R9270 | not listed |
| Handlebar | Roval Rapide Cockpit | not listed |
| Headset | Specialized SL7 | not listed |
| Saddle | Specialized S-Works Power | not listed |
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