2015 Specialized Roubaix SL4 Pro Disc Race UDi2 vs 2015 Trek Domane
The 62 is the Trek Domane size closest to your 61 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 61, the Trek Domane in 62 places the top of the head tube 14 mm higher and 12 mm further back, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.
- Frame stack
- +14 mm
- Higher front end
- Frame reach
- −12 mm
- Shorter frame reach
- Wheelbase
- +4 mm
- Longer: steadier at speed
- Head angle
- −0.9°
- Slacker: calmer steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Specialized Roubaix SL4 Pro Disc Race UDi2, 61Trek Domane, 62Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix SL4 Pro Disc Race UDi2 61 | Trek Domane 62 | Difference |
|---|---|---|---|
| Reach | 398mm | 386 | −12 mm |
| Stack | 642mm | 656 | +14 mm |
| Head tube angle | 73° | 72.1 | −0.9° |
| Seat tube angle | 72.5° | 72.5 | ±0.0° |
| Effective top tube | 600mm | 593 | −7 mm |
| Chainstay length | 420mm | 425 | +5 mm |
| Wheelbase | 1038mm | 1042 | +4 mm |
| BB drop | 70mm | 75 | +5 mm |
| Standover | 851mm | 835 | −16 mm |
| Seat tube length | 565mm | 586 | +21 mm |
| Head tube length | 245mm | 245 | ±0 mm |
Differences are the Trek Domane minus the Specialized Roubaix SL4 Pro Disc Race UDi2. Full charts: 2015 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 |
| Shifter | Shimano 785 Di2 | not listed |
| Derailleur | Shimano Ultegra Di2 | 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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