2027 Trek Domane SLR Gen 5 vs 2025 Specialized Roubaix SL8 Pro
The 54 is the Specialized Roubaix SL8 Pro size closest to your ML Trek Domane SLR Gen 5. 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 SL8 Pro
Compared with the Trek Domane SLR Gen 5 in ML, the Specialized Roubaix SL8 Pro in 54 places the top of the head tube 11 mm lower and 4 mm further forward, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −11 mm
- Lower front end
- Frame reach
- +4 mm
- Longer frame reach
- Wheelbase
- −5 mm
- Shorter: quicker to change direction
- Head angle
- +0.4°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Domane SLR Gen 5 numbers we have for size ML are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane SLR Gen 5 ML | Specialized Roubaix SL8 Pro 54 | Difference |
|---|---|---|---|
| Reach | 377 | 381mm | +4 mm |
| Stack | 596 | 585mm | −11 mm |
| Head tube angle | 71.9° | 72.3° | +0.4° |
| Effective top tube | 553 | not listed | |
| Chainstay length | 420 | 420mm | ±0 mm |
| Wheelbase | 1010 | 1005mm | −5 mm |
| BB drop | 78 | 78mm | ±0 mm |
| Standover | 805 | 766mm | −39 mm |
| Seat tube length | 533 | 465mm | −68 mm |
| Head tube length | 170 | 122mm | −48 mm |
| Seat tube angle | not listed | 74° | |
| BB height | not listed | 270mm | |
| Fork length | not listed | 375mm |
Differences are the Specialized Roubaix SL8 Pro minus the Trek Domane SLR Gen 5. Full charts: 2027 Trek Domane SLR Gen 5, 2025 Specialized Roubaix SL8 Pro.
Where each sits in its class
Trek Domane SLR Gen 5Specialized Roubaix SL8 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 Gen 5SLR 7 AXS Gen 5 | Specialized Roubaix SL8 ProSL8 Pro |
|---|---|---|
| Frame | Trek Domane SLR | not listed |
| Fork | Trek Domane SLR | Specialized Future Shock 3.3 |
| Shifter | SRAM Force AXS E1 | Shimano Ultegra R8170 Di2 |
| Derailleur | SRAM Force AXS | Shimano Ultegra R8150 Di2 |
| Cassette | SRAM XG-1270 Force | Shimano Ultegra |
| Chain | SRAM Force E1 | Shimano XT M8100 |
| Crankset | SRAM Force AXS | Shimano Ultegra R8100 |
| Bottom bracket | SRAM DUB | not listed |
| Battery | SRAM AXS | not listed |
| Wheelset | Bontrager Aeolus Pro 51 | Roval Terra CL II |
| Tire | Bontrager Kwaremont | Specialized S-Works Mondo 2BR |
| Rotor | SRAM Paceline | not listed |
| Handlebar | Bontrager Pro Riser | not listed |
| Stem | Trek RCS | Specialized Future |
| Grips | Trek gel cork | not listed |
| Seatpost | Bontrager RSL | Specialized S-Works Pave Seat post |
| Saddle | Trek Verse Short | Specialized Power Pro Mirror |
| Brake | not listed | Shimano Ultegra |
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
