2027 Trek Madone SLR Gen 8 No. ICON vs 2025 Trek Émonda ALR
The 52 is the Trek Émonda ALR size closest to your S Trek Madone SLR Gen 8 No. ICON. 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 SLR Gen 8 No. ICON in S, the Trek Émonda ALR in 52 places the top of the head tube 3 mm higher and 5 mm further forward, relative to the bottom bracket.
- Frame stack
- +3 mm
- Higher front end
- Frame reach
- +5 mm
- Longer frame reach
- Wheelbase
- +1 mm
- About the same
- Head angle
- +0.6°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Madone SLR Gen 8 No. ICON numbers we have for size S are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Madone SLR Gen 8 No. ICON S | Trek Émonda ALR 52 | Difference |
|---|---|---|---|
| Reach | 378 | 383 | +5 mm |
| Stack | 530 | 533 | +3 mm |
| Head tube angle | 72.2° | 72.8° | +0.6° |
| Effective top tube | 532 | 534 | +2 mm |
| Chainstay length | 410 | 410 | ±0 mm |
| Wheelbase | 976 | 977 | +1 mm |
| BB drop | 72 | 72 | ±0 mm |
| Standover | 734 | 732 | −2 mm |
| Seat tube length | 440 | 483 | +43 mm |
| Head tube length | 121 | 121 | ±0 mm |
Differences are the Trek Émonda ALR minus the Trek Madone SLR Gen 8 No. ICON. Full charts: 2027 Trek Madone SLR Gen 8 No. ICON, 2025 Trek Émonda ALR.
Where each sits in its class
Trek Madone SLR Gen 8 No. ICONTrek 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 8 No. ICONSLR 9 AXS Gen 8 - No. 76 ICON | Trek Émonda ALRALR 5 |
|---|---|---|
| Fork | Trek Madone Gen 8 one-piece | Trek Émonda ALR |
| Shifter | SRAM RED AXS E1 | not listed |
| Derailleur | SRAM RED AXS E1 | not listed |
| Cassette | SRAM RED XG-1290 E1 | not listed |
| Chain | SRAM Red E1 | not listed |
| Crankset | SRAM RED AXS E1 | not listed |
| Bottom bracket | SRAM DUB | not listed |
| Battery | SRAM AXS | not listed |
| Wheelset | Bontrager Aeolus RSL | Bontrager Paradigm SL |
| Tire | Bontrager Aeolus RSL RD | Bontrager R1 Hard-Case Lite |
| Rotor | SRAM Paceline | not listed |
| Headset | Bontrager Expander Plug | not listed |
| Seatpost | Trek Madone | not listed |
| Saddle | Trek Aeolus RSL | not listed |
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