2023 Specialized Aethos Comp vs 2023 Trek Madone SLR
The Trek Madone SLR size closest to your 54 is the 54. Compare the 54 instead
What changes on the Trek Madone SLR
Compared with the Specialized Aethos Comp in 54, the Trek Madone SLR in 47 places the top of the head tube 37 mm lower and 11 mm further back, relative to the bottom bracket. Its wheelbase is 6 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −37 mm
- Lower front end
- Frame reach
- −11 mm
- Shorter frame reach
- Wheelbase
- −6 mm
- Shorter: quicker to change direction
- Head angle
- −0.9°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Aethos Comp, 54Trek Madone SLR, 47Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Aethos Comp 54 | Trek Madone SLR 47 | Difference |
|---|---|---|---|
| Reach | 384mm | 373 | −11 mm |
| Stack | 544mm | 507 | −37 mm |
| Head tube angle | 73° | 72.1 | −0.9° |
| Seat tube angle | 74° | 74.6 | +0.6° |
| Chainstay length | 410mm | 410 | ±0 mm |
| Wheelbase | 978mm | 972 | −6 mm |
| BB drop | 72mm | 72 | ±0 mm |
| BB height | 268mm | not listed | |
| Standover | 748mm | 692 | −56 mm |
| Seat tube length | 481mm | 424 | −57 mm |
| Fork length | 369mm | not listed | |
| Head tube length | 137mm | 100 | −37 mm |
| Effective top tube | not listed | 512 |
Differences are the Trek Madone SLR minus the Specialized Aethos Comp. Full charts: 2023 Specialized Aethos Comp, 2023 Trek Madone SLR.
Where each sits in its class
Specialized Aethos CompTrek Madone SLR
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 CompComp | Trek Madone SLRSLR 6 |
|---|---|---|
| Frame | Specialized Aethos FACT | Trek Madone |
| Shifter | Shimano 105 R7170 Di2 | Shimano Ultegra |
| Derailleur | Shimano 105 R7150 Di2 | Shimano Ultegra |
| Cassette | Shimano 105 | Shimano Ultegra |
| Chain | Shimano SLX M7100 | Shimano 105 DI2 |
| Crankset | Specialized FC-R7100 | Shimano Ultegra Mid Compact |
| Wheelset | DT Swiss R470 | Bontrager Aeolus Pro 51 |
| Tire | Specialized Turbo Pro | Bontrager R3 Hard-Case Lite |
| Brake | Shimano 105 R7170 | Shimano Ultegra |
| Seatpost | Roval Alpinist | Trek Madone |
| Saddle | Specialized Power Sport | Bontrager Aeolus Elite |
| Fork | not listed | Trek Madone KVF |
| Chainring | not listed | Shimano Ultegra |
| Bottom bracket | not listed | Trek T47 |
| Rotor | not listed | Shimano Ultegra |
| Handlebar | not listed | Trek Madone Integrated |
| Stem | not listed | Trek Madone aero |
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