2015 Specialized Roubaix SL4 Pro Disc Race vs 2015 Trek Domane
The 52 is the Trek Domane size closest to your 54 Specialized Roubaix SL4 Pro Disc Race. 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
Compared with the Specialized Roubaix SL4 Pro Disc Race in 54, the Trek Domane in 52 places the top of the head tube at about the same height and 9 mm further back, relative to the bottom bracket.
- Frame stack
- −2 mm
- About the same height
- Frame reach
- −9 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −0.7°
- Slacker: calmer steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Only the Specialized Roubaix SL4 Pro Disc Race is drawn. The Trek Domane numbers we have for size 52 are missing the wheelbase.
Geometry side by side
| Measurement | Specialized Roubaix SL4 Pro Disc Race 54 | Trek Domane 52 | Difference |
|---|---|---|---|
| Reach | 380mm | 371 | −9 mm |
| Stack | 563mm | 561 | −2 mm |
| Head tube angle | 72° | 71.3 | −0.7° |
| Seat tube angle | 73.5° | 74.2 | +0.7° |
| Effective top tube | 548mm | 530 | −18 mm |
| Chainstay length | 415mm | 420 | +5 mm |
| Wheelbase | 1000mm | not listed | |
| BB drop | 71.5mm | 80 | +9 mm |
| Standover | 776mm | 735 | −41 mm |
| Seat tube length | 495mm | 475 | −20 mm |
| Head tube length | 165mm | 145 | −20 mm |
Differences are the Trek Domane minus the Specialized Roubaix SL4 Pro Disc Race. Full charts: 2015 Specialized Roubaix SL4 Pro Disc Race, 2015 Trek Domane.
Where each sits in its class
Specialized Roubaix SL4 Pro Disc RaceTrek 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 Pro Disc RaceSL4 Pro Disc Race | Trek Domane |
|---|---|---|
| Frame | Specialized SL4 FACT | not listed |
| Shifter | Shimano 685 | not listed |
| Derailleur | Shimano Ultegra | not listed |
| Cassette | Shimano Ultegra | not listed |
| Chain | Shimano Ultegra | not listed |
| Wheelset | Roval Rapide CL 40 SCS | not listed |
| Tire | Specialized Turbo Pro | not listed |
| Brake | Shimano 785 | not listed |
| Seatpost | Specialized CG-R | not listed |
| Saddle | Specialized Toupe Expert | not listed |
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