2025 Trek Madone SLR Gen 8 vs 2025 Trek Émonda ALR
The Trek Émonda ALR size closest to your M is the 54. Compare the 54 instead
What changes on the Trek Émonda ALR
Compared with the Trek Madone SLR Gen 8 in M, the Trek Émonda ALR in 52 places the top of the head tube 13 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 4 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −13 mm
- Lower front end
- Frame reach
- −1 mm
- About the same reach
- Wheelbase
- −4 mm
- Shorter: quicker to change direction
- 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 SLR Gen 8 numbers we have for size M are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Madone SLR Gen 8 M | Trek Émonda ALR 52 | Difference |
|---|---|---|---|
| Reach | 384 | 383 | −1 mm |
| Stack | 546 | 533 | −13 mm |
| Head tube angle | 72.9 | 72.8° | −0.1° |
| Effective top tube | 545 | 534 | −11 mm |
| Chainstay length | 410 | 410 | ±0 mm |
| Wheelbase | 981 | 977 | −4 mm |
| BB drop | 70 | 72 | +2 mm |
| Standover | 762 | 732 | −30 mm |
| Seat tube length | 476 | 483 | +7 mm |
| Head tube length | 136 | 121 | −15 mm |
Differences are the Trek Émonda ALR minus the Trek Madone SLR Gen 8. Full charts: 2025 Trek Madone SLR Gen 8, 2025 Trek Émonda ALR.
Where each sits in its class
Trek Madone SLR Gen 8Trek 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 SLR Gen 8SLR 7 Gen 8 | Trek Émonda ALRALR 5 |
|---|---|---|
| Fork | Trek Madone Gen 8 one-piece | Trek Émonda ALR |
| Wheelset | Bontrager Aeolus Pro 51 | Bontrager Paradigm SL |
| Tire | Pirelli P Zero | Bontrager R1 Hard-Case Lite |
| Handlebar | Trek RSL | not listed |
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