2018 Trek Domane SL Disc vs 2020 Specialized Roubaix Sport
The Specialized Roubaix Sport size closest to your 56 is the 54. Compare the 54 instead
What changes on the Specialized Roubaix Sport
Compared with the Trek Domane SL Disc in 56, the Specialized Roubaix Sport in 58 places the top of the head tube 39 mm higher and 15 mm further forward, relative to the bottom bracket. Its wheelbase is 6 mm longer, which can contribute to stability at speed.
- Frame stack
- +39 mm
- Higher front end
- Frame reach
- +15 mm
- Longer frame reach
- Wheelbase
- +6 mm
- Longer: steadier at speed
- Head angle
- +1.6°
- Steeper: sharper steering
- Chainstays
- −2 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Domane SL Disc numbers we have for size 56 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane SL Disc 56 | Specialized Roubaix Sport 58 | Difference |
|---|---|---|---|
| Reach | 377 | 392mm | +15 mm |
| Stack | 591 | 630mm | +39 mm |
| Head tube angle | 71.9° | 73.5° | +1.6° |
| Effective top tube | 554 | not listed | |
| Chainstay length | 420 | 418mm | −2 mm |
| Wheelbase | 1008 | 1014mm | +6 mm |
| BB drop | 78 | 74.5mm | −4 mm |
| Standover | 776 | 805mm | +29 mm |
| Seat tube length | 525 | 505mm | −20 mm |
| Head tube length | 175 | 170mm | −5 mm |
| Seat tube angle | not listed | 73.5° | |
| BB height | not listed | 268mm | |
| Fork length | not listed | 370mm |
Differences are the Specialized Roubaix Sport minus the Trek Domane SL Disc. Full charts: 2018 Trek Domane SL Disc, 2020 Specialized Roubaix Sport.
Where each sits in its class
Trek Domane SL DiscSpecialized Roubaix Sport
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 DiscSL 5 Disc | Specialized Roubaix SportSport |
|---|---|---|
| Frame | Trek OCLV | not listed |
| Fork | Trek Domane | Specialized Future Shock 1.5 |
| Shifter | Shimano RS505 | Shimano 105 R7020 |
| Derailleur | Shimano 105 | Shimano 105, Shimano 105 R7000 GS |
| Cassette | Shimano 105 | Shimano 105 |
| Chain | Shimano 105 | KMC X11 Extra |
| Crankset | Shimano 105 | Praxis Alba |
| Bottom bracket | Trek BB90 | not listed |
| Tire | Bontrager R1 Hard-Case Lite | Specialized Turbo Pro |
| Hub | Bontrager centerlock | not listed |
| Brake | Shimano RS505 | Shimano 105 |
| Handlebar | Bontrager VR-C | Specialized Hover |
| Seatpost | Bontrager Tuned | Specialized S-Works Pave |
| Saddle | Bontrager Affinity | Specialized Power Sport |
| Wheelset | not listed | DT Swiss R470 |
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