2024 Specialized Roubaix SL8 Pro vs 2024 Trek Domane AL Rim
The 56 is the Trek Domane AL Rim size closest to your 54 Specialized Roubaix SL8 Pro. 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 Trek Domane AL Rim
Compared with the Specialized Roubaix SL8 Pro in 54, the Trek Domane AL Rim in 56 places the top of the head tube 6 mm higher and 4 mm further back, relative to the bottom bracket. Its wheelbase is 13 mm longer, which can contribute to stability at speed.
- Frame stack
- +6 mm
- Higher front end
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- +13 mm
- Longer: steadier at speed
- Head angle
- −0.4°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Roubaix SL8 Pro is drawn. The Trek Domane AL Rim numbers we have for size 56 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Roubaix SL8 Pro 54 | Trek Domane AL Rim 56 | Difference |
|---|---|---|---|
| Reach | 381mm | 377 | −4 mm |
| Stack | 585mm | 591 | +6 mm |
| Head tube angle | 72.3° | 71.9° | −0.4° |
| Seat tube angle | 74° | not listed | |
| Chainstay length | 420mm | 420 | ±0 mm |
| Wheelbase | 1005mm | 1018 | +13 mm |
| BB drop | 78mm | 78 | ±0 mm |
| BB height | 270mm | not listed | |
| Standover | 766mm | 776 | +10 mm |
| Seat tube length | 465mm | 525 | +60 mm |
| Fork length | 375mm | not listed | |
| Head tube length | 122mm | 175 | +53 mm |
| Effective top tube | not listed | 554 |
Differences are the Trek Domane AL Rim minus the Specialized Roubaix SL8 Pro. Full charts: 2024 Specialized Roubaix SL8 Pro, 2024 Trek Domane AL Rim.
Where each sits in its class
Specialized Roubaix SL8 ProTrek Domane AL Rim
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 | Specialized Roubaix SL8 ProSL8 Pro | Trek Domane AL RimAL 2 Rim |
|---|---|---|
| Fork | Specialized Future Shock 3.3 | Trek Domane |
| Shifter | SRAM Force eTap AXS | Shimano Claris R2000 |
| Derailleur | SRAM Force eTAP AXS | Shimano Claris R2000 |
| Cassette | SRAM XG-1270 | Shimano HG-31 |
| Chain | SRAM Force | Shimano Sora HG71 |
| Crankset | SRAM Force AXS | Shimano RS200 |
| Bottom bracket | SRAM DUB | Shimano UN26 |
| Wheelset | Roval Terra CL II | not listed |
| Tire | Specialized S-Works Mondo 2BR | Bontrager R1 Hard-Case Lite |
| Brake | SRAM Force | not listed |
| Stem | Specialized Future | not listed |
| Seatpost | Specialized S-Works Pave Seat post | not listed |
| Saddle | Specialized Power | Bontrager P3 Verse |
| Frame | not listed | Trek Alpha |
| Hub | not listed | Formula TK-31, Formula TK-32 |
| Handlebar | not listed | Bontrager Comp VR-C |
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