2025 Trek Madone SL Gen 8 Frameset vs 2025 Trek Émonda ALR
The 54 is the Trek Émonda ALR size closest to your M Trek Madone SL Gen 8 Frameset. 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 Trek Madone SL Gen 8 Frameset in M, the Trek Émonda ALR in 54 places the top of the head tube 5 mm lower and about as far forward, relative to the bottom bracket.
- Frame stack
- −5 mm
- Lower front end
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- +0.1°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Madone SL Gen 8 Frameset numbers we have for size M are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Madone SL Gen 8 Frameset M | Trek Émonda ALR 54 | Difference |
|---|---|---|---|
| Reach | 384 | 386 | +2 mm |
| Stack | 546 | 541 | −5 mm |
| Head tube angle | 72.9° | 73.0° | +0.1° |
| Effective top tube | 545 | 543 | −2 mm |
| Chainstay length | 410 | 410 | ±0 mm |
| Wheelbase | 981 | 981 | ±0 mm |
| BB drop | 70 | 70 | ±0 mm |
| Standover | 762 | 744 | −18 mm |
| Seat tube length | 476 | 496 | +20 mm |
| Head tube length | 136 | 131 | −5 mm |
Differences are the Trek Émonda ALR minus the Trek Madone SL Gen 8 Frameset. Full charts: 2025 Trek Madone SL Gen 8 Frameset, 2025 Trek Émonda ALR.
Where each sits in its class
Trek Madone SL Gen 8 FramesetTrek 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 | Trek Madone SL Gen 8 FramesetSL Gen 8 Frameset | Trek Émonda ALRALR 5 |
|---|---|---|
| Fork | Trek Madone Gen 8 | Trek Émonda ALR |
| Wheelset | not listed | Bontrager Paradigm SL |
| Tire | not listed | Bontrager R1 Hard-Case Lite |
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