2018 Trek Domane ALR Frameset vs 2020 Specialized Roubaix Sport
The Specialized Roubaix Sport size closest to your 56 is the 54. Compare the 54 instead
What changes on the Specialized Roubaix Sport
Compared with the Trek Domane ALR Frameset in 56, the Specialized Roubaix Sport in 58 places the top of the head tube 39 mm higher and 15 mm further forward, relative to the bottom bracket. Its wheelbase is 4 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +39 mm
- Higher front end
- Frame reach
- +15 mm
- Longer frame reach
- Wheelbase
- −4 mm
- Shorter: quicker to change direction
- Head angle
- +1.6°
- Steeper: sharper steering
- Chainstays
- −2 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Domane ALR Frameset numbers we have for size 56 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane ALR Frameset 56 | Specialized Roubaix Sport 58 | Difference |
|---|---|---|---|
| Reach | 377 | 392mm | +15 mm |
| Stack | 591 | 630mm | +39 mm |
| Head tube angle | 71.9° | 73.5° | +1.6° |
| Effective top tube | 554 | not listed | |
| Chainstay length | 420 | 418mm | −2 mm |
| Wheelbase | 1018 | 1014mm | −4 mm |
| BB drop | 78 | 74.5mm | −4 mm |
| Standover | 776 | 805mm | +29 mm |
| Seat tube length | 525 | 505mm | −20 mm |
| Head tube length | 175 | 170mm | −5 mm |
| Seat tube angle | not listed | 73.5° | |
| BB height | not listed | 268mm | |
| Fork length | not listed | 370mm |
Differences are the Specialized Roubaix Sport minus the Trek Domane ALR Frameset. Full charts: 2018 Trek Domane ALR Frameset, 2020 Specialized Roubaix Sport.
Where each sits in its class
Trek Domane ALR FramesetSpecialized Roubaix Sport
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 Domane ALR FramesetALR Frameset | Specialized Roubaix SportSport |
|---|---|---|
| Frame | Trek Alpha | not listed |
| Fork | Trek Domane | Specialized Future Shock 1.5 |
| Shifter | not listed | Shimano 105 R7020 |
| Derailleur | not listed | Shimano 105, Shimano 105 R7000 GS |
| Cassette | not listed | Shimano 105 |
| Chain | not listed | KMC X11 Extra |
| Crankset | not listed | Praxis Alba |
| Wheelset | not listed | DT Swiss R470 |
| Tire | not listed | Specialized Turbo Pro |
| Brake | not listed | Shimano 105 |
| Handlebar | not listed | Specialized Hover |
| Seatpost | not listed | Specialized S-Works Pave |
| Saddle | not listed | Specialized Power Sport |
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