2015 Specialized Roubaix SL4 Expert vs 2015 Trek Domane
The Trek Domane size closest to your 54 is the 52. Compare the 52 instead
What changes on the Trek Domane
Compared with the Specialized Roubaix SL4 Expert in 54, the Trek Domane in 56 places the top of the head tube 28 mm higher and 3 mm further back, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.
- Frame stack
- +28 mm
- Higher front end
- Frame reach
- −3 mm
- Shorter frame reach
- Wheelbase
- +8 mm
- Longer: steadier at speed
- Head angle
- −0.1°
- About the same head angle
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Specialized Roubaix SL4 Expert, 54Trek Domane, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix SL4 Expert 54 | Trek Domane 56 | Difference |
|---|---|---|---|
| Reach | 380mm | 377 | −3 mm |
| Stack | 563mm | 591 | +28 mm |
| Head tube angle | 72° | 71.9 | −0.1° |
| Seat tube angle | 73.5° | 73.3 | −0.2° |
| Effective top tube | 548mm | not listed | |
| Chainstay length | 415mm | 420 | +5 mm |
| Wheelbase | 1000mm | 1008 | +8 mm |
| BB drop | 71.5mm | 78 | +7 mm |
| Standover | 776mm | not listed | |
| Seat tube length | 495mm | 525 | +30 mm |
| Head tube length | 165mm | 175 | +10 mm |
Differences are the Trek Domane minus the Specialized Roubaix SL4 Expert. Full charts: 2015 Specialized Roubaix SL4 Expert, 2015 Trek Domane.
Where each sits in its class
Specialized Roubaix SL4 ExpertTrek Domane
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 SL4 ExpertSL4 Expert | Trek Domane |
|---|---|---|
| Frame | Specialized SL4 FACT | not listed |
| Shifter | Shimano Ultegra | not listed |
| Derailleur | Shimano Ultegra | not listed |
| Cassette | Shimano Ultegra | not listed |
| Chain | Shimano Ultegra | not listed |
| Wheelset | Fulcrum S4 | not listed |
| Tire | Specialized Turbo Pro | not listed |
| Brake | Shimano Ultegra | not listed |
| Seatpost | Specialized CG-R | not listed |
| Saddle | Specialized Toupe Expert | not listed |
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