2016 Specialized Roubaix SL4 Pro Disc Race UDi2 vs 2015 Trek Domane
The 52 is the Trek Domane size closest to your 54.0 Specialized Roubaix SL4 Pro Disc Race UDi2. 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 UDi2 in 54.0, the Trek Domane in 52 places the top of the head tube 3 mm lower and 9 mm further back, relative to the bottom bracket.
- Frame stack
- −3 mm
- Lower front end
- 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 UDi2 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 UDi2 54.0 | Trek Domane 52 | Difference |
|---|---|---|---|
| Reach | 380 | 371 | −9 mm |
| Stack | 564 | 561 | −3 mm |
| Head tube angle | 72 | 71.3 | −0.7° |
| Seat tube angle | 73.5 | 74.2 | +0.7° |
| Effective top tube | 547 | 530 | −17 mm |
| Chainstay length | 415 | 420 | +5 mm |
| Wheelbase | 1000 | not listed | |
| BB drop | 71.5 | 80 | +9 mm |
| BB height | 271 | not listed | |
| Standover | 776 | 735 | −41 mm |
| Seat tube length | 495 | 475 | −20 mm |
| Fork length | 368 | not listed | |
| Head tube length | 165 | 145 | −20 mm |
Differences are the Trek Domane minus the Specialized Roubaix SL4 Pro Disc Race UDi2. Full charts: 2016 Specialized Roubaix SL4 Pro Disc Race UDi2, 2015 Trek Domane.
Where each sits in its class
Specialized Roubaix SL4 Pro Disc Race UDi2Trek 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 Race UDi2SL4 Pro Disc Race UDi2 | Trek Domane |
|---|---|---|
| Frame | Specialized SL4 FACT | not listed |
| Fork | Specialized FACT carbon | not listed |
| Shifter | Shimano 785 Di2 | not listed |
| Derailleur | Shimano Ultegra Di2 | not listed |
| Cassette | Shimano Ultegra | not listed |
| Chain | Shimano Ultegra | not listed |
| Crankset | Specialized Pro | not listed |
| Wheelset | Roval Rapide CL 40 | not listed |
| Tire | Specialized S-Works Turbo | not listed |
| Brake | Shimano BR-785 | not listed |
| Handlebar | Specialized Expert | not listed |
| Stem | Specialized Pro SL | not listed |
| Bar tape | Specialized CX Pro | not listed |
| Seatpost | Specialized CG-R | not listed |
| Saddle | Specialized Phenom Pro | not listed |
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