2021 Trek Domane AL Rim vs 2023 Specialized Roubaix SL8 Comp
The 56 is the Specialized Roubaix SL8 Comp size closest to your 58 Trek Domane AL Rim. 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 AL Rim in 58, the Specialized Roubaix SL8 Comp in 56 places the top of the head tube 6 mm lower and 9 mm further forward, relative to the bottom bracket. Its wheelbase is 10 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −6 mm
- Lower front end
- Frame reach
- +9 mm
- Longer frame reach
- Wheelbase
- −10 mm
- Shorter: quicker to change direction
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Domane AL Rim numbers we have for size 58 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane AL Rim 58 | Specialized Roubaix SL8 Comp 56 | Difference |
|---|---|---|---|
| Reach | 380 | 389 | +9 mm |
| Stack | 611 | 605 | −6 mm |
| Head tube angle | 72.0° | 73 | +1.0° |
| Effective top tube | 567 | 569 | +2 mm |
| Chainstay length | 425 | 420 | −5 mm |
| Wheelbase | 1022 | 1012 | −10 mm |
| BB drop | 78 | not listed | |
| Standover | 796 | 787 | −9 mm |
| Seat tube length | 548 | 485 | −63 mm |
| Head tube length | 195 | 140 | −55 mm |
| Seat tube angle | not listed | 73.5 | |
| BB height | not listed | 270 |
Differences are the Specialized Roubaix SL8 Comp minus the Trek Domane AL Rim. Full charts: 2021 Trek Domane AL Rim, 2023 Specialized Roubaix SL8 Comp.
Where each sits in its class
Trek Domane AL RimSpecialized 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 AL RimAL 2 Rim | Specialized Roubaix SL8 CompSL8 Comp |
|---|---|---|
| Frame | Trek Alpha | Specialized FACT 10R |
| Fork | Trek Domane | Specialized Future Shock 3.2 |
| Shifter | Shimano Claris R2000 | Shimano 105 |
| Derailleur | Shimano Claris R2000 | Shimano 105 |
| Cassette | Shimano HG-31 | Shimano 105 |
| Chain | Shimano Sora HG71 | Shimano 105 |
| Crankset | Shimano RS200 | Shimano 105 |
| Bottom bracket | Shimano UN26 | Shimano 105 |
| Tire | Bontrager R1 Hard-Case Lite | S Works Mondo, S Works Mondo 2BR |
| Hub | Formula TK-31, Formula TK-32 | not listed |
| Handlebar | Bontrager Comp VR-C | Specialized Hover |
| Saddle | Bontrager P3 Verse | Specialized Body Geometry Power Sport |
| Chainring | not listed | Shimano 105 |
| Wheelset | not listed | DT Swiss G540 |
| Brake | not listed | Shimano 105 |
| Rotor | not listed | Shimano 105 |
| Stem | not listed | Specialized Future Stem |
| Bar tape | not listed | Supacaz Super Sticky Kush |
| Seatpost | not listed | Specialized S-Works Pavé |
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
