2021 Trek Domane SLR vs 2023 Specialized Roubaix SL8 Comp
The 56 is the Specialized Roubaix SL8 Comp size closest to your 56 Trek Domane SLR. 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 Comp
Compared with the Trek Domane SLR in 56, the Specialized Roubaix SL8 Comp in 56 places the top of the head tube 14 mm higher and 12 mm further forward, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.
- Frame stack
- +14 mm
- Higher front end
- Frame reach
- +12 mm
- Longer frame reach
- Wheelbase
- +4 mm
- Longer: steadier at speed
- Head angle
- +1.1°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Domane SLR numbers we have for size 56 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane SLR 56 | Specialized Roubaix SL8 Comp 56 | Difference |
|---|---|---|---|
| Reach | 377 | 389 | +12 mm |
| Stack | 591 | 605 | +14 mm |
| Head tube angle | 71.9° | 73 | +1.1° |
| Effective top tube | 554 | 569 | +15 mm |
| Chainstay length | 420 | 420 | ±0 mm |
| Wheelbase | 1008 | 1012 | +4 mm |
| BB drop | 78 | not listed | |
| Standover | 776 | 787 | +11 mm |
| Seat tube length | 525 | 485 | −40 mm |
| Head tube length | 175 | 140 | −35 mm |
| Seat tube angle | not listed | 73.5 | |
| BB height | not listed | 270 |
Differences are the Specialized Roubaix SL8 Comp minus the Trek Domane SLR. Full charts: 2021 Trek Domane SLR, 2023 Specialized Roubaix SL8 Comp.
Where each sits in its class
Trek Domane SLRSpecialized Roubaix SL8 Comp
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 SLRSLR 6 | Specialized Roubaix SL8 CompSL8 Comp |
|---|---|---|
| Frame | Trek OCLV | Specialized FACT 10R |
| Fork | Trek Domane SLR | Specialized Future Shock 3.2 |
| Shifter | Shimano Ultegra R8020 | Shimano 105 |
| Derailleur | Shimano Ultegra R8000 | Shimano 105 |
| Cassette | Shimano Ultegra HG800-11 | Shimano 105 |
| Chain | Shimano Ultegra HG701 | Shimano 105 |
| Crankset | Shimano Ultegra R8000 | Shimano 105 |
| Wheelset | Bontrager Aeolus Pro 3V | DT Swiss G540 |
| Tire | Bontrager R3 Hard-Case Lite | S Works Mondo, S Works Mondo 2BR |
| Brake | Shimano Ultegra | Shimano 105 |
| Handlebar | Bontrager Pro IsoCore VR-CF | Specialized Hover |
| Seatpost | Bontrager Seatmast Cap | Specialized S-Works Pavé |
| Saddle | Bontrager P3 Verse Elite | Specialized Body Geometry Power Sport |
| Chainring | not listed | Shimano 105 |
| Bottom bracket | not listed | Shimano 105 |
| Rotor | not listed | Shimano 105 |
| Stem | not listed | Specialized Future Stem |
| Bar tape | not listed | Supacaz Super Sticky Kush |
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