2019 Trek Domane SLR Disc vs 2021 Specialized Roubaix Pro
The 44 is the Specialized Roubaix Pro size closest to your 47 Trek Domane SLR Disc. 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 SLR Disc in 47, the Specialized Roubaix Pro in 44 places the top of the head tube 13 mm higher and 11 mm further back, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +13 mm
- Higher front end
- Frame reach
- −11 mm
- Shorter frame reach
- Wheelbase
- −5 mm
- Shorter: quicker to change direction
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- −7 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Domane SLR Disc numbers we have for size 47 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane SLR Disc 47 | Specialized Roubaix Pro 44 | Difference |
|---|---|---|---|
| Reach | 364 | 353mm | −11 mm |
| Stack | 527 | 540mm | +13 mm |
| Head tube angle | 71.0° | 70° | −1.0° |
| Effective top tube | 509 | not listed | |
| Chainstay length | 420 | 413mm | −7 mm |
| Wheelbase | 986 | 981mm | −5 mm |
| BB drop | 80 | 77.5mm | −3 mm |
| Standover | 686 | 682mm | −4 mm |
| Seat tube length | 420 | 365mm | −55 mm |
| Head tube length | 110 | 90mm | −20 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 SLR Disc. Full charts: 2019 Trek Domane SLR Disc, 2021 Specialized Roubaix Pro.
Where each sits in its class
Trek Domane SLR DiscSpecialized 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 SLR DiscSLR 6 Disc | Specialized Roubaix ProPro |
|---|---|---|
| Frame | Trek OCLV | not listed |
| Fork | Trek Domane | Specialized Future Shock 2.0 |
| Shifter | Shimano Ultegra | SRAM Force eTap AXS |
| Derailleur | Shimano Ultegra | SRAM Force eTAP AXS |
| Cassette | Shimano Ultegra | SRAM Force |
| Chain | Shimano Ultegra | SRAM Force |
| Crankset | Shimano Ultegra | SRAM FC Force DUB |
| Bottom bracket | Trek BB90 | SRAM DUB |
| Wheelset | Bontrager Paradigm Comp | Roval Alpinist CL |
| Tire | Bontrager R3 Hard-Case Lite | Specialized S-Works Turbo |
| Brake | Shimano Ultegra | SRAM Force eTAP |
| Handlebar | Bontrager Pro IsoCore VR-CF | not listed |
| Seatpost | Bontrager Tuned | Specialized S-Works Pave |
| Saddle | Bontrager Arvada Elite | Specialized Power |
| Stem | not listed | Specialized Future |
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
