2021 Trek Domane SL Gen 3 Frameset vs 2023 Specialized Roubaix SL8 Comp
The 44 is the Specialized Roubaix SL8 Comp size closest to your 47 Trek Domane SL Gen 3 Frameset. 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 SL Gen 3 Frameset in 47, the Specialized Roubaix SL8 Comp 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 8 mm longer, which can contribute to stability at speed.
- Frame stack
- +13 mm
- Higher front end
- Frame reach
- −11 mm
- Shorter frame reach
- Wheelbase
- +8 mm
- Longer: steadier at speed
- Head angle
- −1.7°
- Slacker: calmer steering
- Chainstays
- −2 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Domane SL Gen 3 Frameset numbers we have for size 47 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane SL Gen 3 Frameset 47 | Specialized Roubaix SL8 Comp 44 | Difference |
|---|---|---|---|
| Reach | 364 | 353 | −11 mm |
| Stack | 527 | 540 | +13 mm |
| Head tube angle | 71.0° | 69.3 | −1.7° |
| Effective top tube | 509 | 503 | −6 mm |
| Chainstay length | 420 | 418 | −2 mm |
| Wheelbase | 986 | 994 | +8 mm |
| BB drop | 80 | not listed | |
| Standover | 686 | 686 | ±0 mm |
| Seat tube length | 420 | 365 | −55 mm |
| Head tube length | 110 | 90 | −20 mm |
| Seat tube angle | not listed | 75 | |
| BB height | not listed | 269 |
Differences are the Specialized Roubaix SL8 Comp minus the Trek Domane SL Gen 3 Frameset. Full charts: 2021 Trek Domane SL Gen 3 Frameset, 2023 Specialized Roubaix SL8 Comp.
Where each sits in its class
Trek Domane SL Gen 3 FramesetSpecialized 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 SL Gen 3 FramesetSL Gen 3 Frameset | Specialized Roubaix SL8 CompSL8 Comp |
|---|---|---|
| Frame | Trek OCLV | Specialized FACT 10R |
| Fork | Trek Domane SL | Specialized Future Shock 3.2 |
| Derailleur | Trek derailleurs must have | Shimano 105 |
| Shifter | not listed | Shimano 105 |
| Cassette | not listed | Shimano 105 |
| Chain | not listed | Shimano 105 |
| Crankset | not listed | Shimano 105 |
| Chainring | not listed | Shimano 105 |
| Bottom bracket | not listed | Shimano 105 |
| Wheelset | not listed | DT Swiss G540 |
| Tire | not listed | S Works Mondo, S Works Mondo 2BR |
| Brake | not listed | Shimano 105 |
| Rotor | not listed | Shimano 105 |
| Handlebar | not listed | Specialized Hover |
| Stem | not listed | Specialized Future Stem |
| Bar tape | not listed | Supacaz Super Sticky Kush |
| Seatpost | not listed | Specialized S-Works Pavé |
| Saddle | not listed | Specialized Body Geometry Power Sport |
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