2023 Specialized Allez Sprint D'Aluisio Smartweld Alloy vs 2024 Trek Émonda SLR RSL H1
The Trek Émonda SLR RSL H1 size closest to your 54 is the 54. Compare the 54 instead
What changes on the Trek Émonda SLR RSL H1
Compared with the Specialized Allez Sprint D'Aluisio Smartweld Alloy in 54, the Trek Émonda SLR RSL H1 in 56 places the top of the head tube 12 mm higher and 8 mm further forward, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.
- Frame stack
- +12 mm
- Higher front end
- Frame reach
- +8 mm
- Longer frame reach
- Wheelbase
- +4 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Allez Sprint D'Aluisio Smartweld Alloy is drawn. The Trek Émonda SLR RSL H1 numbers we have for size 56 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Allez Sprint D'Aluisio Smartweld Alloy 54 | Trek Émonda SLR RSL H1 56 | Difference |
|---|---|---|---|
| Reach | 387mm | 395 | +8 mm |
| Stack | 537mm | 549 | +12 mm |
| Head tube angle | 73° | 73.5° | +0.5° |
| Seat tube angle | 74° | not listed | |
| Chainstay length | 410mm | 410 | ±0 mm |
| Wheelbase | 979mm | 983 | +4 mm |
| BB drop | 72mm | 70 | −2 mm |
| BB height | 268mm | not listed | |
| Standover | 765mm | 758 | −7 mm |
| Seat tube length | 510mm | 525 | +15 mm |
| Fork length | 366mm | not listed | |
| Head tube length | 133mm | 140 | +7 mm |
| Effective top tube | not listed | 560 |
Differences are the Trek Émonda SLR RSL H1 minus the Specialized Allez Sprint D'Aluisio Smartweld Alloy. Full charts: 2023 Specialized Allez Sprint D'Aluisio Smartweld Alloy, 2024 Trek Émonda SLR RSL H1.
Where each sits in its class
Specialized Allez Sprint D'Aluisio Smartweld AlloyTrek Émonda SLR RSL H1
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 Allez Sprint D'Aluisio Smartweld AlloyD'Aluisio Smartweld Alloy | Trek Émonda SLR RSL H1SLR RSL H1 |
|---|---|---|
| Seatpost | Specialized S-Works Tarmac | Trek Not |
| Fork | not listed | Trek Emonda SLR |
| Headset | not listed | Bontrager Expander Plug |
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