2022 Specialized Aethos vs 2024 Trek Émonda ALR
The 60 is the Trek Émonda ALR size closest to your 58 Specialized Aethos. 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 Trek Émonda ALR
Compared with the Specialized Aethos in 58, the Trek Émonda ALR in 60 places the top of the head tube 10 mm higher and 3 mm further back, relative to the bottom bracket. Its wheelbase is 4 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +10 mm
- Higher front end
- Frame reach
- −3 mm
- Shorter frame reach
- Wheelbase
- −4 mm
- Shorter: quicker to change direction
- Head angle
- +0.4°
- Steeper: sharper steering
- Chainstays
- +1 mm
- About the same
The two frames
Only the Specialized Aethos is drawn. The Trek Émonda ALR numbers we have for size 60 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Aethos 58 | Trek Émonda ALR 60 | Difference |
|---|---|---|---|
| Reach | 402mm | 399 | −3 mm |
| Stack | 591mm | 601 | +10 mm |
| Head tube angle | 73.5° | 73.9° | +0.4° |
| Seat tube angle | 73.5° | not listed | |
| Chainstay length | 410mm | 411 | +1 mm |
| Wheelbase | 1005mm | 1001 | −4 mm |
| BB drop | 72mm | 68 | −4 mm |
| BB height | 268mm | not listed | |
| Standover | 796mm | 811 | +15 mm |
| Seat tube length | 532mm | 573 | +41 mm |
| Fork length | 369mm | not listed | |
| Head tube length | 184mm | 191 | +7 mm |
| Effective top tube | not listed | 586 |
Differences are the Trek Émonda ALR minus the Specialized Aethos. Full charts: 2022 Specialized Aethos, 2024 Trek Émonda ALR.
Where each sits in its class
Specialized AethosTrek Émonda ALR
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 AethosAethos Frameset | Trek Émonda ALRALR 5 |
|---|---|---|
| Frame | Specialized Aethos FACT | not listed |
| Seatpost | Roval Alpinist | not listed |
| Fork | not listed | Trek Émonda ALR |
| Wheelset | not listed | Bontrager Paradigm SL |
| Tire | not listed | Bontrager R1 Hard-Case Lite |
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