2019 Trek Domane AL vs 2021 Specialized Roubaix Pro
The 49 is the Specialized Roubaix Pro size closest to your 50 Trek Domane AL. 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 Specialized Roubaix Pro
Compared with the Trek Domane AL in 50, the Specialized Roubaix Pro in 49 places the top of the head tube 9 mm higher and 5 mm further back, relative to the bottom bracket. Its wheelbase is 14 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +9 mm
- Higher front end
- Frame reach
- −5 mm
- Shorter frame reach
- Wheelbase
- −14 mm
- Shorter: quicker to change direction
- Head angle
- +0.4°
- Steeper: sharper steering
- Chainstays
- −7 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Domane AL numbers we have for size 50 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane AL 50 | Specialized Roubaix Pro 49 | Difference |
|---|---|---|---|
| Reach | 368 | 363mm | −5 mm |
| Stack | 546 | 555mm | +9 mm |
| Head tube angle | 71.1° | 71.5° | +0.4° |
| Effective top tube | 519 | not listed | |
| Chainstay length | 420 | 413mm | −7 mm |
| Wheelbase | 996 | 982mm | −14 mm |
| BB drop | 80 | 77.5mm | −3 mm |
| Standover | 716 | 715mm | −1 mm |
| Seat tube length | 450 | 410mm | −40 mm |
| Head tube length | 130 | 100mm | −30 mm |
| Seat tube angle | not listed | 74° | |
| BB height | not listed | 265mm | |
| Fork length | not listed | 370mm |
Differences are the Specialized Roubaix Pro minus the Trek Domane AL. Full charts: 2019 Trek Domane AL, 2021 Specialized Roubaix Pro.
Where each sits in its class
Trek Domane ALSpecialized Roubaix Pro
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 ALAL 2 | Specialized Roubaix ProPro |
|---|---|---|
| Frame | Trek Alpha | not listed |
| Fork | Trek Domane | Specialized Future Shock 2.0 |
| Shifter | Shimano Claris | SRAM Force eTap AXS |
| Derailleur | Shimano Claris | SRAM Force eTAP AXS |
| Cassette | Shimano HG-31 | SRAM Force |
| Chain | Shimano HG71 | SRAM Force |
| Crankset | Shimano RS200 | SRAM FC Force DUB |
| Tire | Bontrager R1 Hard-Case Lite | Specialized S-Works Turbo |
| Handlebar | Bontrager Comp VR-C | not listed |
| Saddle | Bontrager Arvada | Specialized Power |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | Roval Alpinist CL |
| Brake | not listed | SRAM Force eTAP |
| Stem | not listed | Specialized Future |
| Seatpost | not listed | Specialized S-Works Pave |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
